HamiltonBuhl® Primo™ Stereo Headphones — Red, 3.5 mm Stereo Plug, Classroom-Ready Primo™ headphones deliver clear, reliable audio for K–12 learning with a rugged, school-tough build. Noise-reducing earcups help students focus, while a durable 5 ft Dura-Cord™ and 3.5 mm stereo (TRS) plug provide easy compatibility with classroom devices. Key Features Built for schools: ABS plastic construction with Dura-Cord™ (chew-, kink-, knot-resistant, PVC-sleeved, braided). Comfortable & easy-clean: on-ear design with leatherette cushions for shared classroom use. Clear, focused listening: noise-reducing earcups help block ambient distractions. Universal audio: 3.5 mm stereo plug (TRS)—works with most carts, PCs, Macs, and tablets. Hygienic storage: includes a heavy-duty, write-on, reclosable bag (helps prevent the spread of lice). 1-year warranty from HamiltonBuhl; Prop 65 compliant. Compatibility at a Glance If your device has… This headphone can… Tip 3.5 mm headphone (TRS) jack Play audio (no mic) No adapter needed Single 3.5 mm headset (TRRS) jack Play audio (no mic) Need a microphone? Choose a TRRS/USB/USB-C headset USB-only device Use a USB audio adapter or pick a USB/USB-C headset See USB/USB-C headsets Specifications Design: Personal, on-ear; color: Red Cushions: Leatherette (wipe-clean) Plug: 3.5 mm stereo, jacketed Cable: 5' Dura-Cord™ (chew-resistant, PVC-sleeved, braided nylon) Drivers: 30 mm Frequency response: 50 Hz – 20 kHz Impedance: 32 Ω Sensitivity: 105 dB ± 4 dB Included: heavy-duty, write-on, reclosable storage bag (helps prevent the spread of lice) Compliance: Prop 65 Warranty: 1 year Model / SKU: PRM100R Ideal For Classrooms, testing labs, libraries, language & literacy apps Chromebook carts and shared learning spaces Related Accessories Storage cases & racks Device-safe wipes Audio adapters (USB audio dongle, extenders) Minimum Order (3) Buying for a school or district? We accept POs and offer volume pricing. Request a quote.  

The Koss Porta Pro Classic Portable Headphones have achieved iconic status among audiophiles and everyday listeners alike. Known for their retro styling, collapsible portability, and incredible sound quality, these on-ear headphones deliver a rich audio experience in a lightweight frame—making them perfect for students, professionals, and travelers. Legendary Sound. Timeless Design. Originally introduced in the 1980s, the Porta Pro headphones continue to stand the test of time. Their open-air dynamic design delivers deep bass and crisp highs with minimal distortion. Whether you're in the classroom, commuting, or studying, the Porta Pro's detailed and balanced sound profile makes them an outstanding choice for high-fidelity audio on the go. Why users love the Porta Pro Classic Collapsible Headband: Unique folding design allows for compact storage and portability—perfect for travel and daily use. Dynamic Sound: High-quality drivers deliver rich bass, articulate midrange, and extended highs with a wide frequency response. Comfort Zone Settings: Adjustable temporal pads on each side reduce pressure on the ears, allowing for hours of comfortable wear. Durability Meets Flexibility: Built with lightweight materials that maintain strength and resilience through daily use. Retro Look: Beloved for its vintage design that hasn’t changed in decades, combining nostalgia with proven performance. Carrying Case Included: Comes with a soft carrying pouch to protect your headphones when not in use. Use Case Scenarios Perfect for individual classroom use, digital learning, or multimedia playback Ideal for travel, remote work, podcasts, streaming, and casual listening Great for educators, students, and professionals who value sound quality and portability Compatibility Works with a wide variety of audio devices including: Laptops and desktops (Mac and PC) Chromebooks and tablets Smartphones with 3.5mm jack (or adapter) MP3 players, portable stereos, and audio interfaces AV equipment and language lab setups Specifications Frequency Response: 15Hz – 25,000Hz Impedance: 60 ohms Sensitivity: 101 dB SPL/1mW Driver: Dynamic Plug Type: 3.5mm stereo mini-plug (straight) Cable Length: 4 ft (1.2 m) Ear Cushion Type: Foam on-ear pads Weight: 2.1 oz (60 g) Foldable: Yes Warranty: Limited Lifetime Warranty from Koss What’s in the Box? 1x Koss Porta Pro Classic Headphones 1x Soft Travel Pouch 1x User Guide Trusted by Generations Whether you're shopping for school headphones, a dependable audio solution for travel, or just want to revisit the timeless sound of a classic design, the Porta Pro Classic delivers quality you can hear. Discover why it remains a go-to choice across generations.

Hamilton Buhl SchoolMate™ On-Ear Stereo Headphones – Durable, Comfortable, and Perfect for the Classroom Enhance your students' learning experience with the Hamilton Buhl SchoolMate™ On-Ear Stereo Headphones. Designed specifically for the demands of school environments, these headphones combine durable construction, comfort, and cleanliness features that make them perfect for daily use, lessons, and testing. Key Features: Durable Dura-Cord™: The 6' Dura-Cord™ is chew, kink, and knot-resistant, thanks to its PVC-jacketed, braided nylon design. Built to withstand even the roughest handling, this durable cord ensures long-lasting performance, making these headphones ideal for school environments. Comfortable & Adjustable Fit: The soft leatherette ear cushions provide a comfortable and snug fit for all-day wear, while the adjustable headband allows for a secure fit across a range of head sizes. Noise-Isolating Design: The on-ear design helps reduce background noise, ensuring students stay focused on their lessons without distractions. Hygienic & Safe: Each pair of SchoolMate™ headphones comes with a heavy-duty, moisture-resistant, reclosable anti-lice storage bag. When sealed, this bag kills lice in 24-48 hours without using harmful chemicals, keeping the headphones hygienic and safe for all users. In-Line Volume Control: Easily adjust the sound levels with the in-line volume control, allowing students to customize the audio based on their preferences or classroom needs. Optional Accessories (Not Included): Refresh Kit (5079): Includes a replacement reclosable storage bag and two new ear cushions to maintain hygiene and extend the lifespan of the headphones. HygenX25: Disposable sanitary ear cushion covers (box of 50 pairs) for added convenience and cleanliness. Specifications: Dimensions: 8 L x 5 H x 7 W inches for easy storage and portability Weight: 0.45 lbs, lightweight for student comfort Cord Length: 6 feet of Dura-Cord™ for flexibility and durability Plug Type: Standard 3.5mm for compatibility with most devices Why Choose the Hamilton Buhl SchoolMate™ Headphones? The Hamilton Buhl SchoolMate™ On-Ear Stereo Headphones offer a perfect balance of durability, comfort, and hygiene. With features like noise isolation, chew-resistant Dura-Cord™, and the anti-lice storage bag, these headphones are designed for the rigorous demands of school use, ensuring a better and safer audio experience for students. Perfect for classrooms, testing, and online learning. Order your Hamilton Buhl SchoolMate™ On-Ear Stereo Headphones today and provide your students with a reliable, comfortable, and hygienic audio solution! Minimum Order: 5

Koss KTXPro1 Headphones – Lightweight, High-Fidelity Sound for On-the-Go Listening Experience the ultimate in portable audio with the Koss KTXPro1 Headphones. Designed for those who demand both comfort and exceptional sound quality, these headphones provide crystal-clear, high-fidelity audio with every use. Whether you're listening at home, at work, or on the go, the KTXPro1 offers superior sound performance and convenient features, making it the ideal choice for any audio enthusiast. Key Features: Lightweight & Portable Design: These headphones are lightweight and feature an adjustable headband, ensuring a comfortable and secure fit for all head sizes. Perfect for extended listening at home, in the office, or on the move. Open Foam Earcushions for Hear-Through Sound: The open foam ear cushions allow for high-fidelity, hear-through sound, offering a more natural listening experience that helps you stay connected with your environment, making them ideal for portable music and daily use. In-Line Volume Control: Easily adjust your sound with the in-line volume control, giving you the flexibility to make quick adjustments without touching your device, ensuring a seamless listening experience. Titanium Sound Reproduction: Equipped with a titanium-layered diaphragm, these headphones deliver precise, accurate sound reproduction, ensuring that every note, beat, and melody is crystal clear. Versatile Connectivity: The straight, 4-foot dual-entry cord comes with a 3.5mm plug and a 6.3mm adapter, offering wide compatibility with a variety of devices, from smartphones to high-end audio equipment. Why Choose Koss KTXPro1 Headphones? The Koss KTXPro1 Headphones are the perfect balance of portability, comfort, and sound quality. Whether you’re enjoying music, podcasts, or movies, the KTXPro1 offers clear and accurate sound with a design built for convenience and durability. With adjustable earcups, hear-through audio, and a lightweight structure, these headphones ensure comfort throughout long listening sessions. Specifications: Frequency Response: 15Hz – 25,000Hz for detailed sound reproduction Impedance: 60 ohms for consistent audio performance Sensitivity: 103 dB SPL/1mW for clear, loud sound Total Harmonic Distortion: <0.2% for pure, distortion-free audio Cord Length: Straight, dual-entry, 4 feet for easy movement and flexibility Warranty: Limited Lifetime Warranty for peace of mind Order your Koss KTXPro1 Headphones today and experience high-quality sound wherever life takes you!

Child‑Sized 3068‑Style Headphone The Child‑Sized 3068‑Style Headphone is built especially for younger students (PreK through 4th grade). With padded ear cushions, noise‑reducing design, and durable ABS construction, it delivers clear audio while keeping distractions low. Key Features Sized for small ears—secure and comfortable fit for early learners Noise‑reducing earcups that block ambient sound for better focus Audio tuned to enhance human speech frequencies—ideal for language learning Padded headband and cushioned cups for long sessions Durable ABS plastic built to survive classroom wear and tear 3‑year school use warranty Compatibility Works with Chromebooks, iPads, Android devices, laptops, desktops, and Macs—just plug in via 3.5 mm stereo jack. No driver needed. Care & Maintenance Wipe clean with a soft cloth and mild disinfectant. Do not saturate earcups or wiring. Replace cushions when worn. Technical Specifications Model / SKU: 1534BK Type: Stereo (3.5 mm plug) Material: ABS plastic, padded leatherette ear cushions Warranty: 3 years (school usage) :contentReference[oaicite:2]{index=2}

1017IMUSB Stereo Headset – High-Performance, Cost-Effective Solution for Learning and Testing The 1017IMUSB Stereo Headset is the perfect choice for schools seeking affordable, high-quality audio equipment for 1:1 learning, assessment testing, and more. Engineered to enhance the learning experience, this headset delivers superior performance in language learning, library environments, and computer labs. With a design optimized for clear communication and long-lasting durability, the 1017IMUSB ensures students can focus on their lessons without distractions. Key Features: Superior Audio Playback: Calibrated to enhance the tonal range of the human voice, making it ideal for language learning and assessment testing. Experience clear and natural sound quality to improve focus and comprehension. Noise-Reducing Microphone: The unidirectional, noise-reducing inline microphone picks up only the student’s voice, eliminating background noise and ensuring clear verbal responses in noisy environments. Comfort for Extended Use: Featuring a padded headband and adjustable fit, this headset is designed for long hours of comfortable use, whether in class or during extended study sessions. Durable and Flexible: The 6-foot CaliTuff braided cord is designed to withstand the wear and tear of classroom environments. Made with a reinforced PVC jacket and a durable earcup entry point, it resists chewing, cutting, and separation for long-lasting use. Inline Volume Control: Easily adjust the volume with the inline control, providing convenient access for students to customize their listening experience without distractions. Built to Last: Rugged ABS plastic head strap and earcups are resistant to breakage, making this headset perfect for high-use environments such as classrooms, computer labs, and libraries. Versatile Compatibility: The USB 2.0 plug is compatible with Chromebooks, laptops, desktop PCs, and Macs, ensuring seamless integration with both BYOD (Bring Your Own Device) and school-issued devices in any learning environment. 3-Year Warranty: Covered by a 3-year warranty for peace of mind, ensuring that this headset is a reliable and durable choice for educational use. Why Choose the 1017IMUSB Stereo Headset? Perfect for Language Learning: Optimized for the human voice, this headset enhances speech clarity and comprehension, making it a great tool for language acquisition and verbal communication exercises. Durable and Long-Lasting: Built to withstand the daily rigors of the classroom, this headset ensures reliability and longevity, saving schools money on frequent replacements. Ideal for Interactive Learning: With the noise-reducing microphone and inline volume control, the 1017IMUSB is perfect for students engaging in online assessments, interactive lessons, and virtual communication. Seamless Device Compatibility: Whether your students are using Chromebooks, PCs, or Macs, this headset works perfectly with all major devices, providing flexibility for various classroom setups. Specifications: Speaker: 40mm Mylar drivers for clear, full-range audio Volume Control: Inline volume control for easy access Cord: 6' durable braided straight cord with reinforced PVC jacket Plug: USB 2.0 for easy connectivity Microphone: Electret condenser, unidirectional, noise-reducing Headband: Adjustable with PVC leather padding for comfort Earpads: Replaceable PVC + sponge (EP-1017) Earcups: Noise-reducing ABS plastic for durability The 1017IMUSB Stereo Headset offers the perfect balance of affordability, comfort, and durability, making it the ideal choice for enhancing the learning experience in classrooms, libraries, and computer labs. Order now to equip your classroom with a high-quality, long-lasting headset that enhances both learning and testing experiences!

The LH-06PS is one of our best‑selling testing headphones for schools and offices, featuring 360°–swivel earpieces for a fully customizable fit. Built to last, it’s perfect for classrooms, call centers, training labs, and any environment where comfort and reliability matter. Bulk School On-Ear Headphones LH-06PS - 500 PackKey Features Swivel Earpieces: Adjustable 360° for personalized comfort and single‑ear monitoring Affordable design for testing and audio apps. Not intended for extended daily use Lightweight Design: Under 2 oz for fatigue‑free wear Universal Compatibility: Standard 3.5 mm jack works with PCs, tablets, and mobile devices Specifications: Driver: 30 mm dynamic Frequency Response: 20 Hz – 20 kHz Impedance: 32 Ω ± 15% Cable Length: 4 ft (1.2 m) Connector: 3.5 mm 

Boost classroom engagement with durable, affordable audio solutions. The Califone CA-2 Lightweight On-Ear Headphones 3.5mm 50-Pack are designed specifically for schools and educational programs, offering a reliable listening experience for students across all grade levels. With a universal 3.5mm plug, these headphones are compatible with desktops, laptops, tablets, and Chromebooks—perfect for testing, multimedia lessons, language labs, and remote learning.Crafted for comfort and functionality, each headphone features a lightweight, on-ear design, adjustable headband, and noise-reducing earcups to help students stay focused. The rugged ABS plastic construction ensures they hold up to daily classroom use, while the affordable bulk pricing makes it easy for schools and districts to equip entire classrooms or testing centers efficiently.Key Features: Noise-Reducing Ear Cups: The on-ear foam cushions help reduce exterior sounds, allowing students to focus on their lessons without distractions. Ideal for both in-classroom use and online learning. Comfort for Long Wear: Designed for extended listening, these headphones are lightweight and comfortable, ensuring students can wear them for hours without discomfort. Adjustable Fit: The flexible headband adjusts to fit most students, providing a secure and personalized fit for all head sizes. The recessed wiring keeps cords neatly out of the way for a tidy and hassle-free experience. Durable & Safe Design: Made from durable ABS plastic, these headphones are built to withstand daily classroom use while offering reliable performance. Convenient Storage: The headphones come with a resealable storage bag to keep them protected and organized when not in use, making them perfect for shared environments. Specifications: Plug Type: 3.5mm stereo plug for wide device compatibility Cord Length: 5-1/2 feet for flexible movement Material: ABS Plastic for durability Size: Adjustable headband for a comfortable fit Allergens: Contains PVC Warranty: 90 day warranty for school use - unlike headphones purchased at consumer electronics stores whose warranties would be voided if used in schools. Order your Califone Lightweight Headphones today and enhance your students' learning environment with comfort and clarity!

The patented ThinkWrite TWT130 Audio Ergo Headset combines our ergonomic-friendly headphones with microphone capabilities and a USB-C connection for full connectivity, hours of comfort, high-quality sound, and compatibility with USB-C devices.Equipped with 30mm drivers delivering extraordinary sound, this design provides the ideal amount of compression and frequency isolation for clear audio without applying unnecessary pressure to delicate ears.A flip-down, omnidirectional microphone boom positioned optimally for voice recording makes the ERGO an ideal on-ear headset for connecting with fellow coworkers, clients, students, and your favorite people.Features: Ergonomically angled ear cups Durable Polymer Construction Omni directional flip- down microphone boom Braided Fabric Cable Optimized Audio Curve USB-C Plug Two Year Warranty Technical Description:Color: BlackSpecifications: USB-CPack: BagSize: 7.5x2.375x7in

KH-08 Series School Headphones – Durable, Comfortable, and Perfect for Elementary Students The KH-08 Series School Headphones are designed with young learners in mind, offering a lightweight, comfortable, and durable solution for elementary students. Whether it's for classroom activities, online learning, or music, these headphones deliver clear, immersive sound while withstanding the daily demands of a busy educational environment. Key Features: Comfortable for All-Day Use: Featuring soft leatherette cushion ear cups, these headphones provide a comfortable fit, whether students are using them for hours of lessons or shorter learning sessions. Perfect for all-day wear during class or study time. Built for Durability: With Califone’s durable 6-foot CaliTuff cord, made from braided PVC-jacketed material, these headphones are designed to resist chewing, cutting, and wear-and-tear. Ideal for high-use environments like classrooms and after-school programs. Flexible & Stress-Resistant Design: The reinforced earcup entry points prevent stress separation, ensuring long-lasting durability. The flexible headband is built to handle the twists and turns of everyday student use, making it the perfect choice for active learners. Easy Cable Management: The included tethered hook and loop strap makes cable management simple, preventing tangles and ensuring that the headphones stay neat and organized during storage. Peace of Mind with a 3-Year Warranty: These headphones come with a 3-year warranty, providing reassurance that your investment is protected and ensuring long-term value. Specifications: Plug Type: 3.5mm for universal compatibility with most devices Cord Length: 6 feet for easy movement and flexibility Material: ABS plastic for a lightweight yet durable build Allergens: Contains PVC Brand: Califone for trusted quality Volume Control: None (designed for straightforward use) Why Choose KH-08 Series Headphones? The KH-08 Series School Headphones are built to meet the needs of elementary students with a focus on comfort, durability, and ease of use. With soft ear cushions, a flexible headband, and a chew-resistant, tangle-free cord, these headphones are perfect for the classroom, home learning, and beyond. Whether it’s for online classes, interactive lessons, or fun educational apps, the KH-08 Series headphones are built to last. Order your KH-08 Series School Headphones today and provide your students with the perfect balance of comfort, durability, and quality sound!

Califone KH-08 Headset with In-Line Microphone – Durable, Comfortable, and Ideal for Interactive LearningThe Califone KH-08MUSB On-Ear Headset with In-line Mic is the perfect solution for interactive learning environments where verbal communication is essential. Building on the exceptional features of the KH-08 headphones, this headset includes an in-line omnidirectional microphone with volume control for clear, reliable audio during discussions, lessons, and online activities. Designed for comfort and durability, the KH-08 is ideal for both short-term and long-term use in schools, libraries, and home learning spaces.Key Features: Comfortable All-Day Wear: The leatherette cushion ear cups provide a comfortable fit, whether the headset is used for just a few minutes or extended listening sessions. Perfect for both students and teachers who need to focus during interactive lessons or remote learning. Omnidirectional In-Line Microphone: The in-line microphone is omnidirectional, capturing sound from all directions for clear communication, making it ideal for virtual classrooms, group projects, and video calls. The sleek controller also includes volume control for easy adjustments during use. Durable Design: Built with a reinforced earcup entry point, the KH-08 headset is designed to resist stress separation, ensuring longevity and reliability in the classroom or during remote activities. Easy Cable Management: With the included tethered hook and loop strap, managing cables is made simple and organized, preventing tangles and promoting a neat workspace. Long-Lasting Performance: Backed by a 3-year warranty, the KH-08 headset is a smart investment for classrooms and learning environments, providing long-term, reliable use. Specifications: Plug Type: USB for universal compatibility with most devices Cord Length: 6 feet for flexibility and movement Material: Durable ABS plastic construction for long-lasting use Allergens: Contains PVC for reliable construction and safety Microphone Type: In-line omnidirectional microphone for clear communication Why Choose the Califone KH-08 Headset?The Califone KH-08 Headset is built for students, teachers, and professionals who need an affordable, high-quality solution for verbal interaction and listening. With its comfortable ear cups, durable design, and integrated microphone with volume control, it’s perfect for all your educational and virtual communication needs. Whether for interactive learning, online lessons, or collaborative work, the KH-08 headset delivers clear, reliable sound and comfort.Order the Califone KH-08 Headset today and enhance your learning or communication experience with superior sound quality and comfort!

Califone KH-08 Headsets – Comfortable, Durable, and Built for Clear Communication The Califone KH-08 Headsets combine high-quality sound with practical functionality, making them the ideal solution for both personal and professional use. Featuring a unidirectional gooseneck microphone and a durable 6-foot CaliTuff cord, these headsets are designed for clarity, comfort, and long-lasting performance. Whether you’re in a classroom, remote learning environment, or business setting, the KH-08 headsets deliver exceptional audio for seamless verbal communication. Key Features: Unidirectional Gooseneck Microphone: The flexible, adjustable microphone ensures clear, focused communication and can be easily swung up when not in use. Perfect for situations where verbal interaction is essential. Comfortable Leatherette Cushions: Soft leatherette ear cushions provide all-day comfort, making these headsets perfect for extended use, whether it’s for hours of learning or a quick conference call. Durable, Chew-Resistant Cable: The 6-foot CaliTuff cord is made from braided, PVC-jacketed material that resists chewing, cutting, and general wear, ensuring the headsets remain in excellent condition over time. Easy Cable Management: A convenient tethered hook-and-loop strap keeps the cord neatly organized, reducing tangles and enhancing durability. 3-Year Warranty: Feel confident in your investment with a 3-year warranty, ensuring long-term reliability and performance. Why Choose the Califone KH-08 Headsets? The Califone KH-08 headsets are perfect for environments that require clear audio communication. From classrooms to home offices, these headsets deliver exceptional sound quality and comfort, making them ideal for remote learning, online meetings, or any situation where reliable verbal interaction is needed. Specifications: Plug Type: USB Cord Length: 6 ft Material: ABS Plastic Allergens: Contains PVC Brand Name: Califone Warranty: 3-year limited warranty Perfect for: Classrooms and Educational Settings – Ideal for teachers and students engaging in online lessons or group activities. Business and Remote Work – Clear communication for virtual meetings and calls. Gaming and Media – Great for immersive audio and chat interaction. Invest in Califone KH-08 Headsets today and enjoy crystal-clear sound, maximum comfort, and durable, long-lasting performance—perfect for everyday communication needs.

KH-08 Headsets with Gooseneck Microphone – Durable, Comfortable, and Perfect for Verbal Interaction When verbal communication is essential in your classroom or learning environment, the KH-08 Headsets provide everything you need for clear audio and comfort. Designed for extended use, these headsets combine the excellent features of the KH-08 headphones with the added benefit of a unidirectional gooseneck microphone, making them ideal for language learning, assessments, or collaborative activities. Key Features: Enhanced Comfort for Extended Use: Soft leatherette cushion ear cups provide a comfortable listening experience, whether students are using the headsets for a few minutes or several hours during lessons or virtual activities. Versatile Gooseneck Microphone: The unidirectional gooseneck microphone captures only the user's voice, ensuring clear and focused verbal responses. It can be easily swung up when not in use, offering convenience and flexibility. Easy Volume Control: The in-line volume control allows students or users to adjust sound levels quickly and easily without disrupting their learning experience. Durable and Long-Lasting: The 6-foot CaliTuff cord is built to withstand heavy use, featuring a braided PVC jacket that resists chewing, cutting, and wear—perfect for high-use environments like classrooms or labs. Convenient Cable Management: Keep cables neat and tangle-free with the tethered hook-and-loop strap, making it easy to store and organize the headsets between uses. 3-Year Warranty: Backed by a 3-year warranty, these headsets are designed for durability and reliability, ensuring your investment lasts through countless classroom sessions. Why Choose the KH-08 Headsets? Perfect for Communication: The unidirectional gooseneck microphone ensures that students' voices are clearly heard, making these headsets perfect for verbal interactions, online testing, and group discussions. Comfortable for All-Day Use: With comfortable ear cushions and an adjustable headband, these headsets offer a secure and comfortable fit, whether used for short or extended periods. Built to Last: The sturdy construction and durable cable make these headsets a reliable choice for high-traffic environments like classrooms, libraries, and computer labs. Easy to Use and Store: With inline volume control and cable management features, these headsets are simple to use, adjust, and store, saving time and keeping your classroom organized. Specifications: Plug Type: 3.5mm Material: ABS Plastic, Leatherette cushions Cord Length: 6 ft (CaliTuff braided, PVC-jacketed) Microphone: Unidirectional gooseneck microphone with in-line volume control Brand: Califone Allergens: Contains PVC The KH-08 Headsets are the perfect choice for classrooms, language learning, and online assessments, combining comfort, durability, and high-quality audio performance in one affordable package. Order today to give your students the tools they need for clear communication and focused learning!

REVO Headset TW310 — Over-Ear 3.5mm TRRS with Lift-to-Mute Boom Mic The REVO Headset TW310 delivers clear speech and rich, focused sound for classrooms and labs. With a 3.5mm TRRS single plug, lift-to-mute boom mic, 40 mm neodymium drivers, and a braided cable, it’s built for daily school use. Modular ear cushions and cables make maintenance fast, and a 2-year warranty adds peace of mind. Key Features 3.5mm TRRS (single plug): Plug-and-teach on combo-jack devices. Lift-to-mute boom mic: Quick, hands-free muting for students. 40 mm drivers: Immersive, balanced audio for lessons and calls. Over-ear comfort & isolation: Thick cushions reduce room noise. Braided fabric cable: Classroom-tough; resists tangles and wear. Modular design: Replace ear cushions and cables to extend life. Warranty: 2 years. Specifications Connection: 3.5mm TRRS (TW310 variant) Drivers: 40 mm (neodymium) Microphone: Omni boom, lift-to-mute Cable: ~1.3 m braided Frequency response: 20–16,000 Hz Sensitivity: 96 dB ±3 dB Impedance: 32 Ω Approx. dimensions: 8" × 3.25" × 6.75" Choose the right port 3.5 mm TRRS (this page): TW310 — most combo-jack carts. USB-A: TW320 — desktops/laptops with USB-A. USB-C: TW330 — newest Chromebooks/laptops/tablets. Related Accessories Replacement earpads — extend fleet life Storage racks & bins — organize sets 1–30 Device-safe cleaners — fast end-of-day wipe-downs Buying for a class or district? We accept POs and offer volume pricing. Request a quote.

Available colors (200-pack): Blue Green Orange Purple HamiltonBuhl® Personal On-Ear Stereo Headphone, BLUE — 200 Pack Equip labs and testing rooms with a budget-smart 200-pack of HamiltonBuhl personal on-ear headphones. The color-coded Blue shells simplify set management by room or grade, while replaceable foam earpads and the 5' Dura-Cord™ chew/kink/knot-resistant cable hold up to daily school use. Key Features Bulk 200-pack: Ideal for district rollouts and exam rooms. On-ear comfort: Lightweight fit with replaceable foam pads. 5' Dura-Cord™: PVC-jacketed, braided nylon—resists chewing, kinks, and knots. Anti-lice storage bag: Heavy-duty, moisture-resistant bag for each unit; kills lice in 24–48 hours when sealed—no chemicals. 3.5 mm stereo plug: Thin 120° barrel fits most cases; ready for computers, carts, and players. Listening-only: Headphones (no microphone)—perfect for assessments and read-alongs. Specifications Form factor: Personal on-ear, stereo Drivers: 30 mm Connection: 3.5 mm TRS (120° thin barrel) Cable: 5' Dura-Cord™ (PVC-jacketed, braided nylon) Earpads: Replaceable foam Color / Qty: Blue / 200 headphones Extended specs (tap to view) Frequency response: 50 Hz – 16,000 Hz Impedance: 32 Ω Sensitivity: 90 dB ±4 dB Compliance: Prop 65 Hygiene: Anti-lice, moisture-resistant, reclosable bag (1 per unit) Classroom Tips Number units 1–30 per cart/shelf for quick distribution and returns. Keep replacement earpads on hand to extend fleet life. Store with racks or bins and use device-safe wipes for fast end-of-day cleanup. Compare Your Options Model Connection Mic Best For Personal On-Ear (this page) 3.5 mm No Listening-only testing & labs AE-35 USB-C Headphone USB-C No USB-C fleets, assessments AC-155 Mobile Headset 3.5 mm TRRS Yes (boom) Chromebook carts with combo jacks AC-155 USB Headset USB-A Yes (boom) USB-A desktops/labs Buying for a district? We accept POs and offer volume pricing. Request a quote.

AE‑75 Headset The AE‑75 is a classroom-ready, all-in-one headset designed for both listening and speaking. With its 50 mm drivers and noise-canceling boom mic, it’s perfect for hybrid classrooms, virtual lessons, and interactive learning environments. Key Features 50 mm neodymium drivers deliver rich, full sound Noise-canceling, bidirectional boom microphone reduces background noise Kevlar-reinforced braided cable with strain relief for durability Padded adjustable headband and deluxe ear cushions for all-day comfort 3.5 mm TRRS plug for universal compatibility with devices that support mic + headphone on one jack Includes travel pouch for protection and portability Specifications Impedance: 32 Ω Frequency Response: 20 Hz – 20 kHz Mic Sensitivity: –45 dB V/Pa Cable Length: 5 ft / ~1.5 m Design: Over-ear (circumaural) headphones Use Cases & Classroom Tips Great for synchronous lessons, student-teacher interaction, language labs Ensure mic is ~1 inch from mouth for optimal voice pickup Use the pouch to protect the mic boom and cable when not in use Inspect and replace ear cushions periodically for hygiene We accept POs and offer volume pricing. Free shipping on orders in the 48 contiguous U.S. All units go through quality assurance checks.