Some of the headphones do not have any volume control, but we all want the convenience of adjusting the level of our headphone's volume. The Volume control adaptor enables you to enjoy listening or talking with your earphone without having to remove it when you need to adjust its volume or switch songs. The Volume Control Adaptor is designed for PC Headphones without volume controls. It gives you the option of adjusting the volume of your headphones by turning the little dial on the side of your computer. The volume control adaptor is perfect for language learning, listening programs, etc. Features: Adjust the volume on existing headphones with a standard 3.5mm connection Plugs directly into cord for easy volume adjustment Gives each student ability to select the comfortable volume level Plug and Play No Software Required Designed for School Headphones One Year Warranty

Listening First Stereo Headphone — Yellow The Listening First Stereo Headphone in yellow is designed specifically for young learners. With padded cushions, noise-reducing ear cups, and a comfortable adjustable headband, it ensures students remain focused on audio lessons. Key Features & Benefits Sized for small heads — ideal for PreK to early grades Noise-reducing ear cups help block distractions and protect hearing Padded headband and cushions for comfortable long sessions Durable ABS plastic housing built to survive classroom use Permanent 5.5 ft straight cord with right-angle 3.5 mm plug 3-year warranty for school use Compatibility Connects via 3.5 mm stereo plug — compatible with Chromebooks, tablets, laptops, and other devices. Plug-and-play — no drivers needed. Care & Maintenance Wipe the ear cushions and headband with a soft cloth and mild disinfectant between uses. Avoid saturating wiring or components. Technical Specifications Model / SKU: 2800-YL Connector: 3.5 mm straight right-angle plug Construction: ABS plastic housing, padded earcups Warranty: 3 years (school use)

3068‑Style Headset with USB Plug is built for classrooms and multimedia labs. With a USB connection, noise‑reducing earcups, adjustable mic, and inline volume control, it’s a complete audio solution for educational use. Why Classrooms Like the 3068 Style Headset Noise‑reducing earcups help students stay focused on audio Flexible boom mic (steel‑reinforced) ensures clear communication Inline volume control gives students easy access to adjust levels Durable construction with a reinforced 6 ft cord and strain relief Plug‑and‑play USB interface — no extra software required 2‑year warranty covers school & institutional use Compatibility & Connection USB plug (no audio jack needed) — works with PC, Mac, interactive whiteboards, etc. Designed to integrate seamlessly into modern computer‑based classrooms Care & Maintenance Wipe down cushions and headband with a soft, damp cloth; avoid soaking. Protect the USB connector and cable; do not bend sharply near the plug. Store in a safe, dry space when not in use. Technical Specifications Type: Over‑ear multimedia headset Earcups: Noise‑reducing cushions Mic: Flexible boom, steel‑reinforced, omnidirectional (noise‑reducing) Cable: 6 ft (approx.) with strain relief Connector: USB plug (USB‑A) — plug‑and‑play Warranty: 2 years (school / institutional use) SKU: 3068MUSB

USB Headset with Noise-Cancelling Mic is designed to deliver exceptional comfort and clear communication for a variety of educational and professional applications. Whether you're using it for classroom communication, interactive learning software, or multi-student interactions, this headset ensures optimal sound quality and reliability throughout extended use. Key Features & Benefits Plug-and-Play USB Connectivity: The single USB plug allows for quick and easy connection to your PC, making setup hassle-free and perfect for both classroom settings and remote learning environments. Noise-Reducing Electret Microphone: The integrated electret noise-reduction microphone ensures hands-free communication with clear, crisp audio, blocking out background noise for an undisturbed learning experience. Ideal for online learning, language programs, and virtual classes. Dynamic Sound Quality: With an extended frequency response, the CS95 headset provides clear, full-range audio, ensuring speech is always sharp and intelligible. Whether for voice applications, speech recognition, or interactive gaming, enjoy natural, high-quality sound. Comfortable Design for Extended Use: Soft foam ear cushions deliver a comfortable, open, hear-through sound, perfect for long study sessions, online courses, or classroom activities. The adjustable headband ensures a secure, customized fit for all users. Versatile and Reliable: The CS95 is compatible with various PC voice applications and language learning software, supporting both educational and professional environments. It can also be used with an external power source if your sound card does not have a built-in bias supply. Specifications Frequency Response: 30-16,000 Hz (headset); 100–16,000 Hz (microphone) Impedance: 32 Ohms (headset); Same as load resistance (microphone) Sensitivity: 91 dB SPL (headset); -56dB +/- 3dB per 1V/µbar @1kHz (microphone) Microphone: Electret noise-canceling microphone for clear communication Ear Cushions: One foam ear cushion for single-sided listening Cord Length: 8ft single-entry cord for convenient movement

HamiltonBuhl® Super-Affordable Educational Headset – Quality Sound and Comfort on a Budget The HamiltonBuhl® Super-Affordable Series is your go-to solution for high-quality, durable headsets designed with both functionality and affordability in mind. Perfect for students and classrooms, these headsets deliver exceptional performance without breaking the bank. Whether used with tablets, mobile devices, computers, MP3 players, or CD players, these versatile headsets provide a reliable and comfortable audio experience for various educational needs. Key Features: Steel-Reinforced Gooseneck Microphone: The adjustable gooseneck design ensures clear, hands-free communication, with a durable steel construction for long-lasting use. Comfortable Foam Ear Cushions: Soft, cushioned ear pads provide a comfortable fit for extended use, keeping students focused without discomfort. Universal 3.5mm TRRS Plug: Compatible with most devices, including tablets, computers, MP3 players, and more, thanks to the convenient 3.5mm TRRS plug and 90° angled connector. Durable and Long-Lasting: Built with quality materials, these headsets are designed to endure daily use in educational settings. 60-Day Warranty: Peace of mind with a 60-day warranty to ensure your purchase is protected. Prop 65 Compliant: Safe for students and teachers, meeting California's stringent safety standards for environmental and health concerns. Why Choose the HamiltonBuhl® Super-Affordable Headset? Affordable Quality: Get the best value with a headset that delivers excellent sound and functionality at an unbeatable price. Perfect for Classroom Use: Designed specifically for educational environments, these headsets are great for listening, speaking, and interactive learning experiences. Reliable Performance: From online lessons to in-class activities, this headset ensures clear sound and microphone performance, enhancing student participation and engagement. Specifications: Speaker Type: 30mm Moving Coil Speaker Driver Speaker Frequency Response: 20Hz – 20KHz Speaker Sensitivity: 113dB ±3dB Speaker Impedance: 32Ω Output Power: 0.03W Signal Format: Stereo Microphone Type: Omni-Directional Microphone Material: Steel Gooseneck Microphone Sensitivity: -40dB ±3dB Microphone Frequency Response: 20Hz-20KHz Microphone Impedance: 2.2KΩ ±15% Plug Size: 3.5mm Plug Type: TRRS Plug Angle: 90° Cord Length: 5’ Cord Type: PVC Ideal For: Classroom learning and testing Online learning sessions Interactive activities and multimedia use General audio and voice applications Elevate your educational experience with HamiltonBuhl® Super-Affordable Headsets – offering unbeatable value, comfort, and performance for students and educators alike. Order now and experience high-quality sound at an affordable price!

SchoolMate On-Ear Headphones with In-Line Volume Control – Comfortable, Durable, and Perfect for Learning Enhance your classroom audio experience with the SchoolMate On-Ear School Headphones. Designed for students of all ages, these headphones offer both comfort and reliability, making them the perfect addition to your educational environment. With soft foam earpads, an adjustable headband, and in-line volume control, they provide a customized, enjoyable listening experience for learning, music, and multimedia activities. Key Features: Comfortable & Adjustable Fit: The soft foam ear cushions and adjustable headband ensure a secure and comfortable fit for students of all sizes. Ideal for extended use in classrooms, libraries, and remote learning environments. In-Line Volume Control: Easily adjust the sound levels with the built-in in-line volume control. No need to fumble with device settings—students can manage the audio right from their headphones. Durable & Reliable: The 6-foot Dura-Cord™ is chew-resistant, PVC-jacketed, and braided nylon, providing exceptional durability for daily classroom use. These headphones are built to withstand wear and tear, making them a reliable choice for educational settings. Wide Compatibility: Equipped with a 3.5mm stereo plug, the SchoolMate headphones are compatible with a variety of devices, including MP3 players, mobile devices, tablets, Chromebooks, PCs, Macs, and more. Hygienic & Safe: The included anti-lice storage bag is moisture-resistant, reclosable, and helps prevent the spread of lice. When sealed, it kills lice within 24-48 hours without the use of harmful chemicals, ensuring a safe and hygienic listening experience for all students. Optional Accessories (Not Included): Refresh Kit (5076): Includes a replacement reclosable storage bag and two new ear cushions for easy maintenance. HygenX25: Disposable sanitary ear cushion covers (box of 50 pairs) for added hygiene. Specifications: Dimensions: 8 L x 5 H x 7 W inches Weight: 0.45 lbs Design: Personal, On-Ear Cushions: Foam, Replaceable Volume Control: In-Line for easy audio adjustments Plug: 3.5mm Stereo for wide device compatibility Cord: 6' Dura-Cord™ – Chew-resistant, PVC-jacketed, braided nylon for durability Speaker Drivers: 40mm for crisp, clear sound Frequency Response: 20Hz-20KHz for full-range audio Impedance: 32Ω for optimal sound performance Sensitivity: 100dB for balanced audio output Anti-Lice Storage Bag: Heavy-duty, moisture-resistant, reclosable bag that helps kill lice in 24-48 hours without chemicals Compatible With: MP3 Players, Cell Phones, Mobile Devices, Tablets, eReaders, Chromebooks, PCs, Macs, CD Players, Stereos Why Choose SchoolMate On-Ear Headphones? The SchoolMate On-Ear Headphones offer the perfect balance of comfort, durability, and performance, making them the ideal choice for classrooms, libraries, or remote learning. With easy-to-use in-line volume control, hygienic features, and compatibility with a variety of devices, these headphones are designed to enhance the learning experience for students while offering long-lasting reliability for schools and educators. Order your SchoolMate On-Ear Headphones today and provide students with the comfort and quality sound they need to succeed in their educational journey!

Koss SB40 Full-Size Communication Headset with Noise-Canceling Microphone – Premium Sound & Comfort for Gamers and Professionals Take your audio experience to the next level with the Koss SB40 Communication Headset. Designed for gamers, students, and professionals alike, this full-size headset offers superior sound quality and unbeatable comfort. Whether you’re battling in virtual worlds, engaging in online meetings, or studying in a library, the SB40 delivers crystal-clear audio and noise-free communication for all your needs. Key Features & Benefits: Premium Sound Quality: The Koss SB40 headset is equipped with a dynamic audio element that provides rich, full-range sound. From booming bass to crisp treble, enjoy clear, immersive audio that brings your games, music, and voice chats to life at all volume levels. Noise-Canceling Microphone: The built-in noise-canceling microphone eliminates background distractions, ensuring crystal-clear communication. Whether you're streaming, gaming, or participating in virtual classes, your voice will be heard with exceptional clarity, without unwanted interference. Comfortable Leatherette Ear Cushions: The soft, leatherette ear cushions envelop your ears for ultimate comfort, even during long sessions. These plush ear pads also offer excellent noise isolation, blocking out ambient sounds so you can fully focus on your game, work, or learning. Adjustable Headband for a Perfect Fit: The adjustable headband provides a secure and comfortable fit for users of all head sizes. Enjoy hours of use without feeling discomfort or pressure, whether you're gaming or studying. Versatile Connectivity: The independent 3.5mm plugs make it easy to connect your headset to a variety of devices, including PCs, gaming consoles, and smartphones. The separate headphone and microphone jacks ensure compatibility with voice applications, such as speech recognition and PC voice chat. Durable & Long-Lasting: Built to withstand daily use, the SB40 headset is engineered for durability. Backed by Koss’s Limited Lifetime Warranty, you can trust this headset to last for years of use. Why Choose the Koss SB40 Communication Headset? Designed for both performance and comfort, the Koss SB40 headset is perfect for a variety of environments, including gaming, online meetings, virtual classrooms, and more. With a noise-canceling microphone, premium sound quality, and exceptional comfort, it’s the ideal choice for anyone who needs high-quality audio and communication. Whether you're a passionate gamer, a remote worker, or a student, the Koss SB40 headset ensures you have the tools you need to succeed. Don’t settle for less – experience the premium sound, comfort, and reliability of the Koss SB40.

This Avid School Headset with Mic is ideal for use in learning environments with it's a comfortable and adjustable headband and large earcups, they deliver stereo sound with a TRRS connection. This full-sized headset comes with comfortable earpads that surround the ear. This greatly assists in the blocking out of ambient noises within the classroom, helping students to concentrate on their lessons. The goose-neck style boom microphone can be adjusted and positioned as close to the mouth as needed, and then repositioned safely when not in use. Features: Soft vinyl earpads and headband Adjustable gooseneck microphone for speech recognition Volume control 6' cord TRRS 3.5 mm (1/8") stereo plug Minimum Order: 3

HamiltonBuhl Flex-Phones TRRS Headset - 42 PackUpgrade Your Classroom Experience with HamiltonBuhl® Flex-Phones™ HeadsetsDesigned for young learners, the HamiltonBuhl® Flex-Phones™ 3.5 TRRS Headsets are the perfect choice for classrooms, remote learning, and educational environments. Engineered to provide superior sound quality, durability, and comfort, these headsets come equipped with a steel-reinforced gooseneck microphone for crystal-clear communication. Tailored specifically for Pre K-5 students, they offer unmatched flexibility and reliability.Key Features & Benefits: Designed for K-5 Learning: Ideal for Chromebooks, tablets, and devices with a TRRS input, these headsets feature a user-friendly, adjustable fit that grows with your child. Whether in the classroom or at home, these headsets ensure a seamless learning experience. Steel-Reinforced Gooseneck Microphone: The flexible, durable microphone can be easily positioned to capture clear, high-quality audio while reducing background noise. Perfect for video calls, voice recordings, and interactive lessons. Comfortable & Safe: With soft leatherette ear cushions and a twistable EVA foam headband, these headsets offer a comfortable fit for extended use. The materials are non-toxic, BPA-free, and child-safe, providing peace of mind for parents and educators alike. Dura-Cord™ Durability: The exclusive Dura-Cord™ is a chew-, kink-, and knot-resistant braided cord that withstands the daily wear and tear of young users. Its PVC-jacketed nylon construction ensures long-lasting durability. Snap-On Extension Band for a Perfect Fit: Each headset comes with a snap-on extension band designed for smaller children, allowing for an adjustable, secure fit tailored to young learners. Anti-Lice Storage Bag: For added health and safety, each headset set includes a moisture-resistant, anti-lice storage bag that kills lice within 24-48 hours without chemicals—helping prevent the spread of lice in classrooms. Technical Specifications: Headset Design: Mid-size, on-ear Cushions: Soft leatherette for comfort Headband: Twistable EVA Foam for a custom fit Plug: 3.5mm TRRS stereo, 120° angle Cord Length: 4 feet, chew-resistant Dura-Cord™ Headset Speaker Drivers: 30mm for clear audio Mic Type: Omnidirectional with passive noise-canceling for crisp voice capture Mic Sensitivity: -42dB ±3dB Mic Impedance: 2,200Ω for clear, balanced audio Frequency Response (Headset): 20Hz-20KHz Mic Frequency Response: 100Hz-10KHz Why Choose HamiltonBuhl® Flex-Phones™? Durability & Flexibility: Built for active kids, these headsets are nearly indestructible, with reinforced materials that can handle drops, tugs, and constant adjustments. Ideal for All Learning Environments: Whether you're teaching in a classroom or helping your child with homework at home, these headsets provide clear audio and comfortable wear for all-day use. What's Included: 42 headsets in one convenient pack 1-year warranty for added peace of mind Anti-lice, heavy-duty storage bags to ensure health and hygiene Elevate your learning environment with HamiltonBuhl® Flex-Phones™ – the ultimate headset solution for young students. Whether you're equipping a classroom or enhancing remote learning at home, these headsets deliver superior audio quality, comfort, and durability to support the needs of K-5 students.Order your HamiltonBuhl Flex-Phones TRRS Headset - 42 Pack today! 

ThinkWrite's Ultra Durable headphones have been designed specifically for the demands of students in classrooms. The headphone is constructed with a special ABS plastic that ensures maximum durability. A chew resistant fabric cable prevents damage from even the toughest chewers. It also has an inline volume control standard and cleanable ear pads. Features: High Fidelity Sounds Adjustable Headband to fit young students to adults Lightweight and very comfortable especially for longer use Durable ABS Plastic Frame The cord is 5 feet long The cord is made of chew resistant braided nylon It has an over-ear earcup that helps block out surrounding noises Inline volume control ideal for easy access Warranty: 2 years, covering use in schools Specifications: Durable Plastic Frame Color: Black Cord length: 5 Feet Plug type: 3.5mm stereo Drive unit: 40mm Cord material: Braided fabric

Equip your classroom, lab or media cart with this Switchable Stereo/Mono Headphones 12‑Pack — complete with heavy‑duty carrying case. With a mono/stereo switch and dual‑cup volume controls, these headphones are built for language labs, computer stations, music classes and shared‑use learning environments. Why classrooms like this headphone set Pack of 12, so one case holds enough headsets for a full class or station. Mono/ Stereo switch lets you toggle for single‑channel activities (language labs, speech) or full stereo playback (music, media). 10‑foot coiled cord with strain relief supports flexible seating and mobile carts without tug damage. Dual volume controls on each earcup let students adjust sound independently without affecting others. Heavy‑duty ABS plastic construction and included storage case make this set rugged enough for daily classroom use. Compatibility Each headset features a standard 3.5 mm mini‑plug (with snap‑on ¼″ adapter) so it works with desktops, laptops, Chromebooks, tablets (with audio jack), phones (with adapter) and media carts. Plug‑and‑play — no software required. Care & Hygiene Because these will be shared across many students, wipe down the adjustable headband, earcups and coil cord with school‑safe disinfectant wipes at the end of each day. Store the set in the foam‑lined case included to prevent damage when transporting or storing in carts. Replace cushioning when worn. Avoid overstretching the coiled cord or mixing cords to prevent tangles and prolong life. Tech specs Pack size: 12 headphones + heavy‑duty carry case. Switch: Stereo ⇌ Mono on each unit. Cord: 10 ft (≈3 m) coiled cord with strain relief. Plug: 3.5 mm stereo mini‑plug with snap‑on ¼″ adapter. Construction: Adjustable padded headband, ABS plastic earcups, leatherette ear cushions (replaceable). Warranty: 2‑year (or 3‑year depending on supplier) for school use.

Headphone Adapter – 3.5 mm to ¼″ Snap‑On for Hamilton Headphones lets you convert your standard 3.5 mm plug into a ¼″ connection easily. No tools, no hassle — just snap on and go. Why Classrooms Appreciate This Adapter Snap-on design — instant conversion without removing plugs or fiddling Works across many HamiltonBuhl models — adds flexibility to existing gear Compact and durable — ideal for school environments Affordable add-on that extends the versatility of your headsets Compatibility & Use Designed to fit HamiltonBuhl® headphone 3.5 mm plugs Converts to ¼″ (6.35 mm) for compatibility with amplifiers, audio stations, and pro gear Snap-on design — no tools needed Product Specs Dimensions: 1″ × 2″ × 1″ (25.4 × 50.8 × 25.4 mm) Material: Durable metal & plastic construction Compatibility: HamiltonBuhl models HA‑1A, HA2, HA2V, HA7, KIDS‑HA2, MS2L, MS2LV, SC‑7V, KIDS‑SC7V SKU: 5072

TWT Audio TW340 REVO – Premium Over-Ear Bluetooth Headphones Discover immersive wireless audio with the TWT Audio TW340 REVO, engineered to deliver premium sound, exceptional comfort, and modular upgradeability — all at an affordable price point. Perfect for work, play, and everything in between. 🔊 Key Features High-Fidelity Sound: Custom 40mm drivers and ported ear cups deliver deep bass and crisp highs. 360° Comfort Fit: Seamless 24mm-thick ear cushions contour around the ear for all-day comfort. All-Day Battery: Up to 20 hours of wireless listening with quick recharge time. Integrated Controls: On-ear push-button controls for volume, playback, and calls. Modular Design: Stealth-release cushions are easy to replace or upgrade. Moisture-Wicking Comfort: Cushions stay breathable during activity or travel. 📦 Technical Specifications Feature Details Bluetooth Yes (wireless connectivity) Drivers Custom 40mm dynamic Controls On-ear buttons for volume/playback Microphone Built-in (calls & voice assistant) Battery Life Up to 20 hours per charge Color Black Dimensions 7.5 × 6.9 × 0.25 in 🎯 Who It's For Commuters looking for premium sound and comfort Professionals and students attending online meetings or classes Casual listeners and music lovers on a budget Active users seeking breathable, sweat-resistant cushions ❓ FAQs Can I replace the ear cushions?Yes, they are modular and designed for easy replacement. Does it support calls?Yes, with a built-in microphone for clear voice quality. How long does it take to charge?Typically under 2 hours using a standard USB charger. 🎧 Accessories You Might Like Extra Moisture-Wicking Ear Cushions Protective Carrying Case Explore More Audio Accessories

HygenX™ Sanitary Disposable Headphone Covers for personal-sized 2.5" on-ear headphones and headsets are the must-have accessory in any shared environment. Features: Education: Listening centers, computer labs, media centers, testing centers Business: Call centers, drive through operators, recording studios, display, and demo headphones, trade shows, group presentations, helicopter tours Healthcare: Patients and visitors, MRI headphones Work-site: Hearing protection devices For added convenience, HygenX disposable covers come in unique “tissue box” style packaging for easy storage and distribution. Specifications: Dimensions: 4.3 L x 5.5 H x 4.3 W Weight: 0.45 lbs. Fit: All Hamlton Buhl on-ear/personal headphones and headsets including: FV-GRY (BLU) Kids-HA2 HA-1A KIDS-RED (BLU/BLK) HA2 KPCC-BLU (GRY/PNK/YLO) HA2M KPTR-BLU (GRY/PNK/YLO) HA2V MS2L HA2USB MS2LV HA2USBSM NC-HBC Plus most competitive educational and consumer headphones with similar ear cushion sizes. Check outer diameter for exact fit: Outer Diameter: 2 1/2" Stretches to: Approximately 4" Construction: Hypoallergenic polyester weave Dispenser box contains: 100 individual headphone covers (50 pair) Note: Due to the COVID-19 epidemic, and the extreme demand for the HygenX covers, we will be temporarily switching to plastic bags instead of the tissue-style box containers for the covers.  Please note there may be some shipments that include both boxes and plastic bags.

HygenX™ Sanitary Disposable Covers for deluxe-sized 4.5" on-ear headphones and headsets are the must-have accessory in any shared environment. Keeping proper hygiene is more important now than ever before, and these sanitary, disposable covers are an easy way to give your students, customers, or patients peace of mind. With its hypoallergenic special weave design, you'll enjoy full sound quality and comfort. Simply stretch the cover over the headphone ear cups, use it and when done, throw it away! Ensuring cleanliness when it comes to shared headphones is that easy!  Ideal For: Education: Listening centers, computer labs, media centers, testing centers Business: Call centers, customer service centers, drive-through operators, recording studios, display and demo headphones, trade shows, group presentations Hospitality: Group tours, helicopter tours, hotel events and meetings, theme parks Healthcare: Patients, MRI headphones, hearing testing Worksites: Hearing protection devices, construction sites, assembly lines, and more! For added convenience, HygenX™ Disposable Covers come in unique “tissue box” style packaging for easy storage and distribution. Fits all HamiltonBuhl® over-ear/deluxe headphones and headsets including: CL-LED, CL-7V, HA-31, HA5USB, HA5USBSM, HA-66M, HA-66USBSM, HA7, HA7M, KIDS-SC7V, MG51-USB, SC-7V, TLX-44S, W900-MULTI. Plus, fits most competitive educational and consumer headphones with similar ear cushion sizes. Check outer diameter for exact fit.  HygenX45 Specifications: Master carton: 12 dispenser boxes; total of 1,200 individual covers (600 pair) Each dispenser boxes contains 100 individual covers (50 pair) Fits all HamlltonBuhl® over-ear/deluxe headphones and headsets including:CL-LED, CL-7V, HA-31, HA5USB, HA5USBSM, HA-66M, HA-66USBSM, HA7, HA7M, KIDS-SC7V, MG51-USB, SC-7V, TLX-44S, W900-MULTIPlus, fits most competitive educational and consumer headphones with similar ear cushion sizes. Check outer diameter for exact fit. Outer diameter: 3 3/4" Stretches to: Approximately 5" Construction: Polyester weave Color: White

This Lab Pack of School Headphones comes with 12 pairs and a carry case for easy storage and portability. Equipped with a standard headphone jack. (3.5mm or 1/8") Also comes with re-sealable storage bag. Ideal for audio education activities in libraries, computer labs and classrooms.Lab Pack Includes: (12) HA2V Personal Headphones with Volume (1) LCB5176 Laminated Cardboard Carry Case Compatible with: MP3 Players Cell Phones / Mobile Devices Tablets / eReaders Chromebooks Computers (Mac & PC) CD Players / Stereos TVs Most Gaming Systems   Carry Case Specifications: Laminated Cardboard Carry Case 9"L x 17" W x 23" H Carry handle   Headphone Specifications: Personal, On-Ear Design In-Line Volume Control Foam Ear Cushions, Replaceable Stereo Plug: 3.5mm Stereo Jacketed Chew-Resistant, Braided Nylon Cord Cord: 6 feet Speaker drivers: 40mm Frequency response: 20Hz-20kHz Impedance: 32 Ohms Heavy-duty, write-on, reclosable bag (helps prevent the spread of lice) Weight: 5 Ounces Warranty: 1 Year