Califone E3 Ear Bud - 50 PackThe Califone E3 Ear Bud - 50 Pack is designed to meet the needs of classrooms, libraries, and educational institutions seeking durable, high-quality audio solutions for students. These earbuds combine comfort, functionality, and affordability, making them ideal for various learning environments.Key Features Noise-Reducing Ear Covers: Effectively block out background noise, allowing students to focus on their learning materials without distractions. Durable Construction: Made with rugged ABS plastic, these earbuds are built to withstand the rigors of daily classroom use. Tangle-Free Cord: The 3.9-foot flat, tangle-proof cord ensures easy storage and prevents frustrating knots. In-Line Volume Control: Allows students to adjust audio levels easily, promoting safe listening practices. Universal Compatibility: Works with a wide range of devices, including iOS, Android, Windows, tablets, smartphones, desktops, and laptops. Ideal for Testing: Compatible with PARCC and Smarter Balanced assessments, making them suitable for standardized testing environments. Easy Storage: Comes with a resealable bag for convenient storage and organization. Specifications Speaker Driver: 30mm Frequency Response: 50Hz – 20kHz Impedance: 32Ω Sensitivity: 105dB ±4dB Microphone Type: Omnidirectional, steel-reinforced gooseneck Microphone Sensitivity: ~38dB ±3dB Microphone Frequency Response: 50Hz – 16kHz Microphone Impedance: 2,200Ω Cable Length: 3.9 feet (~1.2 meters) Storage: Includes heavy-duty reclosable bag We accept POs and offer volume pricing. Free shipping on orders within the 48 contiguous U.S. All units undergo a quality assurance check.

"While Quantities Last" The Ultra Ergo TW110 was designed exclusively by ThinkWrite Technologies from the ground up with the singular goal of creating a better sounding, more comfortable headset. Informed by our professional classroom experience, the Ultra Ergo provides sustained comfort, superior sound, and ThinkWrite’s signature durability. Featuring ergonomically angled earcups and an optimized audio curve, ears remain protected from the stress of compression and strain of damaging frequencies over longer listening periods. With 30mm drivers delivering the exceptional sound quality and a flip-down omnidirectional microphone boom positioned optimally for voice recording, the TW110 is the ideal on-ear headset for school testing and everyday usage. Features: Ergonomically angled earcups Durable plastic frame Omnidirectional flip-down microphone boom Chew resistant fabric cable Specifications: 30mm drivers (neodymium magnet)  Optimized audio curve Power handling capacity: 100mW Frequency response: 20-20000HZ Impedance: 32ohms Sensitivity: 98dB +/-3dB Cord length: 1.3 meters Plug: 3.5mm TRRS jack Two year warranty  

"While Quantities Last" The Ultra-Durable Pro TW210 was designed exclusively by ThinkWrite Technologies from the ground up with the singular goal of creating a better sounding, more comfortable over-ear headset. Informed by our professional classroom and audio experience, the Ultra Durable Pro Headset provides sustained comfort paired with superior sound, unique voice-capture capabilities, and ThinkWrite’s signature durability. The Ultra-Durable Pro Headset features ergonomically-designed soft contour 100%-contact ear cushions, improved sonic quality, and ThinkWrite’s unique ear cup swivel technology. This allows ears to remain protected from the stress of compression, the distraction of background noise, and the strain of damaging frequencies over longer listening periods. With 40mm drivers delivering exceptional sound quality, entirely over-the-ear cushions providing unparalleled comfort, and an adjustable boom with a noise-reducing uni-directional mic capsule, the TW210 is the ideal over-ear headset. Features: “Comfort-First” Compression Headband Ergonomically Shaped Ear Cushions Omni Directional Microphone Boom Optimized Audio Curve Chew Resistant Fabric Cable Inline Volume Control Durable ABS Plastic Structure Specifications: Microphone Capsule: Omni Directional 40mm drivers (neodymium magnet) Power handling capacity: 100mW Frequency response: 20-20000HZ Impedance: 32ohms Sensitivity: 98dB +/-3dB Cord length: 1.3 meters  Volume Control: Rotary  Plug: 3.5mm TRRS jack Ear Cushions: Over-ear Warranty: Two Years

ThinkWrite TW220 Ultra-Durable Pro USB Headset — over-ear comfort, crystal-clear sound, and rugged construction for daily classroom or office use. Powered by 40 mm drivers and a noise-reducing mic, TW220 delivers clear audio and reliable voice capture with easy, inline volume control. Why it works in learning & work Comfort first: soft, ergonomically shaped over-ear cushions with a compression headband for all-day wear. Clear sound: 40 mm neodymium drivers (20 Hz–20 kHz) with internally angled placement for detail and balance. Focused voice: noise-reducing uni-directional mic on a memory-flex boom for precise positioning. Built to last: durable ABS housing and chew-resistant fabric cable for school-proof reliability. Easy control: inline rotary volume for quick adjustments. Tech specs Model ThinkWrite TW220 Ultra-Durable Pro USB Headset Driver 40 mm neodymium Freq. response 20 Hz – 20 kHz Impedance 32 Ω Sensitivity 98 dB ± 3 dB Power handling 100 mW Mic Noise-reducing, uni-directional; memory-flex boom Controls Inline rotary volume Cord length 1.3 m fabric (chew-resistant) Connection USB (also available in 3.5 mm on site) Ear style Over-ear Housing ABS Warranty 2 years What’s includedUSB over-ear headset with inline volume, attached mic boom, and quick-start info.

The Ultra-Durable Pro TW210 was designed exclusively by ThinkWrite Technologies from the ground up with the singular goal of creating a better sounding, more comfortable over-ear headset. Informed by our professional classroom and audio experience, the Ultra Durable Pro Headset provides sustained comfort paired with superior sound, unique voice-capture capabilities, and ThinkWrite’s signature durability. The Ultra-Durable Pro Headset features ergonomically-designed soft contour 100%-contact ear cushions, improved sonic quality, and ThinkWrite’s unique ear cup swivel technology. This allows ears to remain protected from the stress of compression, the distraction of background noise, and the strain of damaging frequencies over longer listening periods. With 40mm drivers delivering exceptional sound quality, entirely over-the-ear cushions providing unparalleled comfort, and an adjustable boom with a noise-reducing uni-directional mic capsule, the TW210 is the ideal over-ear headset. Features: “Comfort-First” Compression Headband Ergonomically Shaped Ear Cushions Omni Directional Microphone Boom Optimized Audio Curve Chew Resistant Fabric Cable Inline Volume Control Durable ABS Plastic Structure Specifications: Microphone Capsule: Omni Directional 40mm drivers (neodymium magnet) Power handling capacity: 100mW Frequency response: 20-20000HZ Impedance: 32ohms Sensitivity: 98dB +/-3dB Cord length: 1.3 meters  Volume Control: Rotary  Plug: 3.5mm TRRS jack Ear Cushions: Over-ear Warranty: Two Years Also available with USB plug.

ID-42 Stereo Headset with In-Line Mic – Comfortable, Durable & Perfect for LearningThe ID-42 Stereo Headset with In-Line Mic is designed for classrooms, online learning, and everyday mobile use. Built for comfort and durability, this lightweight headset delivers crystal-clear sound and easy communication. With universal compatibility via a single 3.5mm TRRS plug, it works seamlessly with iPads, Chromebooks, laptops, and smartphones.Key Features & Benefits Universal Compatibility – Connects to iPads, Chromebooks, laptops, and mobile devices with a single 3.5mm TRRS plug for both audio and mic functions. Durable, Tangle-Free Cord – 5’ chew-resistant braided nylon cable with quick-tie feature for hassle-free storage. Comfortable & Adjustable – Padded, adjustable headband ensures a secure fit for students and users of all ages. Soft-touch exterior offers a stylish, modern look. High-Quality Audio & Clear Mic – 40mm speakers deliver full-range sound (20Hz – 20,000Hz) while the inline microphone (-58 dB sensitivity) ensures clear communication during lessons and calls. Built to Last – Strong materials, cushioned earpads, and reinforced headband provide long-term value for schools, libraries, and home users. Available ColorsGrey and BlackSpecifications Speaker Size: 40mm Magnet: Ferrite Impedance: 32 ohms Power Handling: 250mW/500mW Sensitivity: 100dB @ 500Hz Channel Balance: 3dB Frequency Response: 20Hz – 20,000Hz Weight: 0.34 lbs Cord: 5’ Braided Nylon (Chew-Resistant) Headband: Adjustable with PU Padding Earpads: PU, Non-Removable Connection: Single 3.5mm TRRS Plug Mic Sensitivity: -58 dB ± 2 dB Warranty: 15 Days Why Choose This Headset?Perfect for classrooms, distance learning, or everyday multimedia use, this headset combines comfort, durability, and clear audio performance. Schools, libraries, and professionals choose it for its balance of quality and affordability.Order NowUpgrade your audio experience with the Stereo Headset with Inline Mic. Ideal for learning, video calls, and mobile use—delivering reliable performance every time.

ThinkWrite TW50 Ultra Light Headphone The ThinkWrite TW50 Ultra Light Headphones are designed specifically to meet the needs of students both in the classroom and at home. Combining comfort, durability, and high-quality sound, these headphones offer the perfect audio solution for all-day use. Crafted with expert acoustics and lightweight materials, the TW50 provides a superior listening experience that's ideal for educational content, music, and more. Key Features Superior Sound Quality: Equipped with 40mm drivers, the TW50 delivers high-fidelity sound, ensuring clear, crisp audio for lessons, videos, and music. With a wide frequency response (20Hz–20kHz), these headphones provide an immersive listening experience. Durable & Comfortable Design: Constructed from special ABS plastic, the TW50 headphones are lightweight yet sturdy, ensuring both comfort and long-lasting durability. The on-ear design is engineered for extended wear, providing students with a comfortable fit for hours of listening. Chew-Resistant Fabric Cable: Built to last, the TW50 features a chew-resistant fabric cable, designed to withstand the roughest classroom environments. Say goodbye to frayed or damaged cords – these headphones are made for even the toughest chewers and yankers. Flexible & Lightweight: The ultra-lightweight design makes these headphones easy to carry and comfortable to wear throughout the day. Whether your child is using them at school or at home, they provide a secure, non-intrusive fit. Specifications Driver Unit: 40mm Power Handling Capacity: 100mW Frequency Response: 20Hz – 20kHz Impedance: 32Ω Sensitivity: 105dB ±3dB Cord Length: 1.5m Cord Material: Braided fabric Plug: 3.5mm stereo jack Warranty: 1 year We accept Purchase Orders and offer volume pricing. Free shipping to the 48 contiguous U.S. All units undergo a quality assurance check.

HamiltonBuhl MACH-2™ USB Type-C Multimedia Stereo Headset The HamiltonBuhl MACH-2™ USB-C Headset is designed for modern classrooms and remote learning environments. With its over-ear design, steel-reinforced gooseneck microphone, and USB Type-C connectivity, it ensures clear communication and comfort during extended use. Key Features Over-Ear Design: Provides excellent noise isolation for immersive audio experience. Steel-Reinforced Gooseneck Microphone: Flexible and durable, ensuring precise microphone positioning. USB Type-C Connectivity: Compatible with devices featuring USB Type-C ports, including PCs, Macs, Chromebooks, and tablets. Leatherette Cushions: Soft and comfortable, ideal for long listening sessions. Dura-Cord™: Chew-resistant, kink-resistant, and PVC-jacketed braided cord built for school use. Specifications Headset: Design: Over-ear Speaker Drivers: 40mm Frequency Response: 50Hz – 20kHz Impedance: 32Ω Sensitivity: 100dB ±4dB Headband: Adjustable, foldable, padded leatherette Cushions: Leatherette Cord: 5' Dura-Cord™ braided, chew/kink/knot-resistant Microphone: Type: Omnidirectional with passive noise canceling Material: Steel reinforced gooseneck Sensitivity: -36dB ±3dB Frequency Response: 50Hz – 16kHz Impedance: 2,200Ω Plug: USB Type-C for stereo audio and mic Storage Bag: Anti-Lice, heavy-duty, write-on, moisture-resistant, reclosable bag. Helps prevent the spread of lice! When sealed in the bag, lice are killed in 24-48 hours without the use of chemicals. Warranty: 1 Year We accept Purchase Orders and offer volume pricing. Free shipping to the 48 contiguous U.S. All units undergo a quality assurance check.

HygenX™ Vray High‑Intensity Portable & Cordless UV‑C Sanitizer The HygenX™ Vray is a professional-grade, cordless UV‑C sanitization system designed for classrooms, device labs, and shared environments. Its high-intensity UV‑C lamp disinfects surfaces such as headsets, keyboards, tablets, and more in under 30 seconds. Because it’s portable and self-contained, the Vray makes it easy to sanitize anywhere—no wires or external power needed. Key Features High-Intensity UV‑C Lamp: Delivers strong germicidal output to disinfect effectively in short cycles. Cordless Operation: Rechargeable battery-powered design enables true portability and use on mobile carts. Custom Quarantine Mode: Automatically runs a full 24-hour cycle for unattended sanitization. Safe & Enclosed Design: Fully enclosed sanitization chamber with interlock and safety sensors to prevent exposure. Versatile Capacity: Fits multiple headsets (up to 30) or devices per cycle with adjustable interior spacing. Status Indicators: LED indicators and sound alerts to show cycle status and battery level. Specifications Sanitization Cycle Time: ~30 seconds (depending on load) Battery Life: Full charge supports multiple cycles (exact runtime per model) Lamp: High-intensity UV‑C bulb with safe coating Interior Capacity: Up to 30 headsets / devices per cycle Dimensions: [specify model dimensions] Weight: [specify weight] Safety: Auto shut-off, interlock, proximity sensors Warranty: 1 year We accept Purchase Orders and offer volume pricing. Free shipping on orders to the 48 contiguous U.S. Every unit undergoes a quality assurance check.

Stock classrooms, testing labs, and carts with the dependable Koss UR5. These lightweight, on‑ear stereo headphones use a universal 3.5 mm plug and a classroom‑friendly 4 ft (≈1.2 m) cable—ideal for Chromebooks, desktops, and devices with a standard audio jack. Why classrooms like the UR5 Lightweight on‑ear design: comfortable for long class sessions Clear stereo playback: tuned for lessons, videos, and assessments Universal 3.5 mm plug: works with most laptops and desktops Classroom‑length cable (~4 ft / 1.2 m): tidy and durable setup Bulk value: 100‑pack for fast deployment across rooms and labs Compatibility at a glance Note: UR5 is an audio‑only headphone (no built‑in mic). For voice capture, use earbuds with a mic or a headset. If your device has no audio jack (USB‑C only), use a USB audio adapter or pick a USB model. For microphone needs, select a headset or mic‑equipped model. Tech specs Form factor: on‑ear (supra‑aural), closed‑back Connection: 3.5 mm stereo plug Cable length: ~4 ft (≈1.2 m) Impedance: 32 Ω (nominal) Sensitivity: ≈91 dB SPL @1 mW Frequency response: ~80 Hz – 18 kHz Microphone: none (audio playback only) Quantity: 100 headphones per pack

Smart-Trek™ USB Deluxe Headset — Durable, Comfortable, Classroom-Ready The Smart-Trek USB Deluxe Headset combines rugged classroom durability, all-day comfort, and clear audio. With a convenient USB plug, leatherette cushions, and a steel-reinforced gooseneck mic, it’s built for K–12 learning, testing, and live instruction. Choose Your Connector Connector Use when… Product USB-A Your device has USB-A ports Smart-Trek Deluxe USB USB-C Your device has USB-C ports Smart-Trek Deluxe USB-C 3.5 mm TRRS Your device has a single headset jack (audio + mic) Smart-Trek Deluxe TRRS Key Features & Benefits Universal USB compatibility: plug-and-play on computers and Chromebooks. Comfort + durability: adjustable, padded headband with wipe-clean leatherette cushions. Rugged design: steel-reinforced gooseneck mic with noise-canceling pickup. Dura-Cord™ 5 ft cable: chew-, kink-, and knot-resistant braided nylon. Hygienic: anti-lice bag naturally eliminates lice in 24–48 hours. In-line volume control for quick adjustments. Compatibility at a Glance If your device has… With this USB model you can… Consider USB-A port Plug in for audio + mic This model USB-C only Use a USB-C→USB-A adapter or choose native USB-C USB-C model Single 3.5 mm TRRS jack Pick the TRRS version for audio + mic via 3.5 mm TRRS model Specifications Drivers: 40 mm Headset frequency response: 50 Hz – 20 kHz Sensitivity: 105 dB ± 4 dB Impedance: 32 Ω Signal format: Stereo Microphone: steel-reinforced gooseneck, noise-canceling Connection: USB (USB-A) Cable: 5 ft Dura-Cord™ braided nylon; chew/kink/knot-resistant Headband: adjustable, padded Ear cushions: leatherette (wipe-clean) Included: anti-lice, moisture-resistant storage bag (eliminates lice in 24–48 hrs) In-line controls: volume Color: Black/Silver Warranty: 1-year manufacturer’s warranty Model / SKU: ST2BKU (USB Headset) Ideal Use Chromebook/computer classrooms, multimedia lessons, testing, and virtual instruction Libraries, labs, and group projects Related Accessories Storage cases & racks — organize sets between classes Device-safe wipes — quick cleaning between users Buying for a school or district? We accept POs and offer volume pricing. Request a quote. Watch Overview

Smart-Trek™ Deluxe Stereo Headset — 3.5 mm TRRS Plug, In-Line Volume, Gooseneck Mic, 40 mm Drivers The Smart-Trek Deluxe TRRS Headset combines rugged durability, all-day comfort, and clear audio. With a single-jack 3.5 mm TRRS plug for audio + mic, leatherette cushions, and a steel-reinforced gooseneck mic, it’s built for K–12 learning, testing, and live instruction. Choose Your Connector Connector Use when… Product 3.5 mm TRRS Your device has a single headset jack (audio + mic) Smart-Trek Deluxe TRRS USB-A Your device has USB-A ports Smart-Trek Deluxe USB USB-C Your device has USB-C ports Smart-Trek Deluxe USB-C Key Features & Benefits Universal 3.5 mm TRRS: single headset jack supports audio + mic on compatible devices. Comfort + durability: adjustable padded headband with wipe-clean leatherette cushions. Rugged design: steel-reinforced gooseneck mic with noise-canceling pickup. Dura-Cord™ 5 ft cable: chew-, kink-, and knot-resistant braided nylon. Hygienic: anti-lice bag naturally eliminates lice in 24–48 hours. In-line volume control for quick adjustments. Compatibility at a Glance If your device has… With this TRRS model you can… Tip Single 3.5 mm headset (TRRS) jack Plug in for audio + mic No adapter needed Separate mic & headphone jacks (two 3.5 mm) Use all features (audio + mic) Add a 3.5 mm Y-splitter adapter USB-only device Choose native USB/USB-C versions or a USB audio adapter USB model · USB-C model Specifications Drivers: 40 mm Headset frequency response: 50 Hz – 20 kHz Sensitivity: 105 dB ± 4 dB Impedance: 32 Ω Signal format: Stereo Microphone: steel-reinforced gooseneck, noise-canceling Connection: 3.5 mm TRRS (single-jack audio + mic) Cable: 5 ft Dura-Cord™ braided nylon; chew/kink/knot-resistant Headband: adjustable, padded Ear cushions: leatherette (wipe-clean) Included: anti-lice, moisture-resistant storage bag (eliminates lice in 24–48 hrs) In-line controls: volume Color: Black/Silver Warranty: 1-year manufacturer’s warranty Model / SKU: ST2BK (TRRS Headset) Ideal Use Chromebook/tablet classrooms, multimedia lessons, testing, and virtual instruction Libraries, labs, and group projects Related Accessories Storage cases & racks — organize sets between classes Device-safe wipes — quick cleaning between users Buying for a school or district? We accept POs and offer volume pricing. Request a quote. Watch Overview

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.  

HamiltonBuhl® Primo™ Stereo Headphones — Black, 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 voice? 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: Black 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: PRM100B 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) Buying for a school or district? We accept POs and offer volume pricing. Request a quote.

HamiltonBuhl® Primo™ Stereo Headphones — Blue, 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 voice? 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: Blue 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: PRM100 (Blue) 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) Buying for a school or district? We accept POs and offer volume pricing. Request a quote.

School Headset with In-Line Microphone — 3.5 mm TRRS Plug, Classroom-Ready The School Headset with In-Line Microphone and TRRS Plug delivers clear audio and reliable voice pickup for K–12 learning. With a single 3.5 mm TRRS plug for audio + mic, soft wipe-clean cushions, an in-line volume control, and a durable 5 ft braided cord, it’s built for daily classroom use, testing, and remote learning. Choose Your Connector Connector Use when… Browse 3.5 mm TRRS (headset) Your device has a single headset jack (audio + mic) This model USB-A Your device has USB-A ports USB headsets USB-C Your device has USB-C ports USB-C headsets Key Features & Benefits Single-jack simplicity: 3.5 mm TRRS plug carries both audio + mic for easy compatibility. Clear communication: integrated in-line microphone for calls, class participation, and testing apps. In-line volume control: adjust on the fly without leaving your app. Comfortable & easy-clean: padded, adjustable headband; soft leatherette-style ear cushions wipe clean between users. Classroom-tough cable: 5 ft braided cord resists tangles and daily wear. Balanced stereo sound: 40 mm drivers tuned for speech clarity and learning content. Compatibility at a Glance If your device has… With this TRRS headset you can… Tip Single 3.5 mm headset (TRRS) jack Plug in for audio + mic No adapter needed Separate mic & headphone jacks (two 3.5 mm) Use audio + mic Add a TRRS↔dual-jack Y-splitter adapter USB-only device Choose a native USB/USB-C headset, or use a USB audio adapter USB headsets · USB-C headsets Specifications Type: On-ear headset (with microphone) Drivers: 40 mm Frequency response: 20 Hz – 20 kHz Sensitivity: 100 ± 3 dB @ 1 kHz, 5 mW Impedance: 32 Ω Rated / Max input power: 15 mW / 150 mW Microphone: in-line mic Controls: in-line volume Connection: 3.5 mm TRRS (single jack for audio + mic) Cable: 5 ft straight braided Warranty: 1 year Ideal Use Chromebook/tablet classrooms, testing platforms, language & literacy apps Libraries, carts, remote learning, and shared learning spaces Related Accessories Audio adapters — TRRS↔dual-jack splitters, USB audio dongles Storage cases & racks Device-safe wipes Buying for a school or district? We accept POs and offer volume pricing. Request a quote. Watch Overview