Adapters

Sync Up USB-C Headphone Adapter – Maxell Media Adapter to connect 3.5mm to USB-C devices. USB-C has a special converter built into the earbuds or the USB-C plug itself. This helps make the sound clearer by converting digital audio from your phone into sound that you can hear. Suitable for classrooms, computer labs, libraries, and everyday listening where clear, dependable audio is important.

Travel Adapter Never face a foreign outlet dilemma again. OnHand's Universal Adapter lets you plug in your appliance and charge devices anywhere in the UK, Europe, US, and Australia. Includes a built in dual USB charger along with a 4-in-1 plug. Ability to charge two devices at once.SpecificationsWeight (lb): 0.35

Koss UR40 Foldable Headphones – Lightweight, Durable, and Perfect for Student Learning Designed with students in mind, the Koss UR40 Foldable Headphones offer the perfect combination of comfort, portability, and exceptional sound quality. At just over 6 ounces, these lightweight headphones are perfect for long study sessions, classroom activities, and on-the-go learning. Their collapsible design ensures easy storage and travel, making them the ideal choice for educators, students, and anyone in need of reliable, portable audio solutions. Key Features & Benefits: Lightweight & Portable Design: Weighing just over 6 ounces, the Koss UR40 headphones are ultra-light, making them perfect for students of all ages. The foldable design allows them to easily collapse into a compact shape, making them simple to store and travel with—ideal for busy students and classrooms. Superior Sound Quality: Equipped with a full-frequency range of 15-22,000 Hz, these headphones deliver clean, crisp sound that transforms any recording into a vibrant "live" experience. Whether it's for music, lessons, or multimedia content, enjoy deep bass and clear treble across a wide audio spectrum. Comfortable & Durable: Featuring closed leatherette ear cushions, the UR40 provides a snug, comfortable fit that enhances bass and blocks out unwanted distractions. The cushioned ear cups are designed to form a tight seal around the ears, providing hours of comfortable listening, even during extended study sessions. Oxygen-Free Copper Voice Coils: Designed to deliver greater volume levels, even with low-voltage portable devices, the UR40 headphones are powered by oxygen-free copper voice coils, ensuring superior sound performance without distortion. Stay Connected with Your Environment: The screened ear cups allow users to stay aware of their surroundings, offering an open, hear-through sound that’s perfect for environments where students need to remain alert to external sounds while enjoying their audio content. Portable and Travel-Friendly: With an airy mesh sling for soft, breathable support, the Koss UR40 ensures maximum comfort for long-term use. The headphones come with a straight, dual-entry 4-foot cord that’s ideal for use with computers, tablets, and other audio devices, plus gold-flashed 3.5mm plugs for reliable connectivity. Koss Lifetime Warranty: Covered under the Koss Stereophones Limited Lifetime Warranty, you can trust the UR40 headphones to provide reliable performance throughout the years. Koss has built a reputation for durability, making these headphones a smart long-term investment for students and educators. Specifications: Frequency Response: 15-22,000 Hz for full-range audio Voice Coils: Oxygen-free copper for clear, distortion-free sound Ear Cushions: Closed leatherette for improved bass and noise isolation Cord: Straight dual-entry 4-foot cord with dual plugs for easy connection Plug: Gold-flashed 3.5mm (1/8-inch) plug for secure, high-quality connection Weight: Just over 6 oz – lightweight and easy to carry Warranty: Koss Limited Lifetime Warranty for peace of mind Why Choose Koss UR40 Foldable Headphones? Whether you’re a student looking for reliable headphones for school or a teacher in need of a durable audio solution for the classroom, the Koss UR40 Foldable Headphones provide everything you need. With superior sound, long-lasting comfort, and a portable design, these headphones are built to enhance the learning experience and make everyday audio tasks easier and more enjoyable.

One Adapter, Countless Classroom Uses The USB-C to 3.5mm Headset Adapter makes single-plug TRRS (CTIA) headsets—with microphones—work on USB-C devices. It reliably converts digital↔analog audio for clear playback and voice capture, so students can join assessments, language labs, and read-alouds without changing headsets. Why schools choose it Mic-capable TRRS (CTIA): Supports headsets with a single 3.5mm plug (audio + mic), not just audio-only earbuds. Clear voice pickup: High-quality A/D conversion helps speech sound accurate for apps and recordings. In-line control support: Android: Play/Pause + Vol Up/Down; Apple (USB-C): Play/Pause.* Fleet-friendly: Standardize rooms that moved from 3.5mm to USB-C—no need to rebuy headsets. Classroom-durable: Short, braided tail helps reduce strain at the device port. *Exact button behavior can vary by device/app. Compatibility Devices: Chromebooks, laptops, and tablets with USB-C ports (including many iPads). Headsets: Single-plug 3.5mm TRRS (CTIA) headsets with microphones. OS: Windows 10/11, Android, and most Apple devices with USB-C ports. Fast setup Plug the adapter into the device’s USB-C port. Connect the single-plug TRRS headset. Select the adapter as both Input and Output in the OS/app. Run a 10-second mic test (watch the input meter). Troubleshooting tips No mic input: Grant mic permission to the app; reselect the adapter as the input device. One-ear audio: Fully seat the 3.5mm plug; confirm CTIA wiring; try another port. Inline buttons not working: Behavior varies by OS/app; Play/Pause is most universal. Specifications Plug type: Single 3.5mm TRS/TRRS to USB-C Cord: 4.5 cm nylon braid (short tail) Package: Polybag Compliances: CA Prop 65, CPSIA, TSCA, SOR 2014 (Canada), RoHS, REACH SVHC/Annex XVII, POPS, SCCPs & HBCDD, SPL EN 50332-2, ICES-003 (Canada), CE-EMC, FCC-SDOC Minimum Order: 20 Related accessories TRRS school headsets USB-C headsets Replacement earpads Device-safe cleaners

The USB‑MA Premium External USB Microphone Adapter boosts audio quality by converting analog stereo mic input into USB. Perfect for classrooms, language labs, and shared computer setups. Why classrooms like the USB‑MA Converts stereo mic input (3.5 mm) to USB—improves clarity Bypasses low‑quality internal mic circuits Plug‑and‑play—no driver installation needed Compact and durable—fits neatly in tech carts Ideal to extend old mic headsets without replacing device Compatibility Compatible with any standard 3.5 mm stereo microphone input. Works on Windows and Mac without drivers. Ideal for classrooms, labs, and shared computer stations. Care & Hygiene Clean with a soft cloth or disinfectant wipe between uses. Avoid liquids and never submerge. Helps maintain hygiene for shared devices. Tech specs Input: 3.5 mm stereo microphone jack Output: USB‑A male plug Dimensions: ~1.9" × 0.9" × 0.5" Cable length: ~4.5 inches Plug‑and‑play, no drivers required Color: Black

The USB-SA Premium External USB Stereo Sound Card is an easy and affordable way to convert analog audio headsets to USB connectivity. Ideal for school labs, classrooms, and shared computer carts, this compact plug-and-play adapter delivers reliable performance and consistent audio quality with minimal setup. Why classrooms like the USB-SA Converts 3.5mm TRRS plug to USB-A for wider compatibility Simple plug-and-play—no drivers needed Compact size fits neatly in classroom tech bins Durable construction with reinforced strain relief Helps extend the life of existing headsets Compatibility Works with any 3.5mm TRRS headset with a combined mic/headphone plug. Compatible with Chromebooks, laptops, and desktops that accept USB-A audio input/output. No software required. Care & Hygiene Wipe with a soft dry cloth or disinfectant wipe between uses. Ideal for shared devices in classrooms and labs. Avoid liquid cleaners or submersion. Tech specs Input: 3.5mm TRRS jack Output: USB-A male plug Dimensions: 1.9" x 0.9" x 0.5" Cable length: 4.5 inches Plug-and-play (no drivers required) Color: Black

Vibrant LED Dual Port Wall Charger Charge two devices at once and experience a radiant LED light show with the OnHand Wall Charger with dual ports. Features high speed power delivery with a USB-C and a USB-A port.Specifications Size/Rating: 20W Weight (lb): 0.3

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

VZ-R ULTRA 13MP Dual Mode Document Camera The IPEVO VZ-R Ultra is a 13MP dual-mode document camera designed for effortless real-time image sharing. Its ultra-high resolution is ideal for modern classrooms, delivering sharp and detailed image capture, even for larger materials. Combining portability with stability, this versatile tool eliminates the need for extra equipment. With plug-and-play connectivity, it easily connects to interactive flat panels (IFPs), monitors, or projectors without requiring a computer. Always ready for action, it’s an essential tool for today’s educators. Ideal for classrooms, hybrid learning spaces, and interactive presentations where educators need to share documents, objects, or live demonstrations.

VZ-X Ultra 13MP Wireless HDMI & USB Document Camera The IPEVO VZ-X Ultra 13MP Wireless Document Camera offers versatile connectivity with three options: Wi-Fi, HDMI, and USB. It seamlessly integrates with web conferencing software in USB mode and provides wireless compatibility with iOS, tvOS, and Android devices. Capable of capturing Tabloid (A3) size documents, it delivers effortless 4K wireless transmission, ensuring high-quality visuals. With one-click operation and automatic pairing with the EZCast dongle, the IPEVO VZ-X Ultra enhances your presentation and collaboration experience. Ideal for classrooms, hybrid learning spaces, and interactive presentations where educators need to share documents, objects, or live demonstrations.

Wall Outlet Tap with Dual USB Ports (3.1A) The OnHand Wall Outlet with Dual USB Ports provides you with two USB ports (3.1A, & 1A) and a standard electrical outlet. Simply plug in your Wall Outlet and set up your personal charging station for all your devices.Specifications Size/Rating: 3.1A Count/Ports: 2-Port Weight (lb): 0.05

Wireless Headphone Transmitter – Blue is ideal for classrooms, libraries, language labs, and ELL/ELD settings. Operating at **72.1 MHz**, it delivers wireless audio across a **100′ range** to unlimited compatible headphones—perfect for group listening. Key Features & Use Transmits on color‑coded **blue / 72.1 MHz** frequency for grouping without interference Supports **unlimited listeners** on the same frequency Includes ¼″ audio input (for media sources) and ¼″ mic input (teacher voice) Transmit range: up to 100′ in open space Comes with a **2‑year warranty** for educational use Selectable among three VHF/FM frequencies for parallel groups in same room without crossover Technical Specification Highlights SKU: CLS725‑T Color: Blue Operating Frequency: 72.1 MHz Range: 100′ (30 meters) Inputs: ¼″ audio + ¼″ mic jacks

The HamiltonBuhl VENU100 Wireless PA System is a versatile, all-in-one portable public address system designed for educational settings, conferences, and events. It combines multiple media playback options with wireless microphone capabilities, ensuring clear and powerful sound delivery in various environments. Key Features Multi-Format Media Playback: Supports CD, DVD, MP3, and cassette formats, allowing playback from various media sources. Wireless Microphone System: Includes dual UHF wireless microphones for clear and uninterrupted audio transmission. Bluetooth® Connectivity: Built-in Bluetooth receiver enables wireless streaming from compatible devices. Rechargeable Batteries: Equipped with high-capacity internal batteries for extended usage without the need for constant recharging. Portability: Features a telescoping handle and easy-glide rubber casters for convenient transportation. Durable Construction: ABS-engineered plastic shell ensures durability and impact resistance, suitable for various environments. Specifications Power Output: 100W peak / 60W RMS Speakers: 10" woofer and 1" tweeter Frequency Response: 80Hz – 15kHz ±3dB Wireless Microphone Operating Distance: Approx. 75–100 feet (line of sight) Battery Type: (2) 12V 7Ah rechargeable batteries Inputs: 1/4" wireless/wired mic in, XLR mic in, 3.5mm aux in, RCA line in Outputs: RCA line out, DVD video out Dimensions: 19" L x 28" H x 20" W Weight: 46 lbs Included Accessories Dual UHF wireless microphones Remote control AC adapter 4 AA batteries (for microphones) Ideal for schools, hotels, churches, and any venue requiring a reliable and portable PA system, the VENU100 ensures excellent sound quality and versatility for various audio needs.

Modern devices are often wireless to provide added convenience, especially within the classroom. However, purchasing all new equipment can get pricey. The Wireless Upgrade Package helps upgrade your existing classroom equipment, turning wired PA systems into wireless PA systems. This package includes a headset, transmitter, and receiver, as well as two charging cradles. The WS-CK1 Wireless Upgrade Package from Califone enables you to upgrade your existing wired PA system into a wireless system and change the frequency range of a 700 MHz system to the FCC mandated 900 MHz frequency range. The package includes a HBM319 headset microphone, a WS-T wireless transmitter, a WS-R wireless receiver, and two WS-CR charging cradles with power adapters. You can plug an anchored audio source such as an MP3 player or computer into the system and wirelessly transmit it to your existing wired PA system. The transmitter provides an adjustable range of up to 300' within line of sight; it has a 3.5mm mic input to which the included HBM319 headset can be connected, and can be either worn on the hip or around the neck with a lanyard. Features/Inclusions: HBM-319 headset WS-T wireless transmitter and WS-R wireless receiver Two WS-CR charging cradles included Power adapter included Warranty: For use in school for 1 year

The WNC Bluetooth Dongle is a plug-and-play USB adapter designed to connect your WNC‑2100, WNC‑2500, WNC‑3000, or WNC‑3100 headsets to your PC or Mac. Ideal for educators and students who need seamless wireless audio without installing complex drivers. Why classrooms like this dongle Simple USB plug-and-play setup Compatible with WNC‑2100, WNC‑2500, WNC‑3000, and WNC‑3100 headsets Enables wireless audio connection to computers Supports hands-free calling when paired with compatible software Ideal for classroom, lab, or remote learning environments Compatibility & Use Cases Use this dongle to connect your WNC series headsets to Windows or macOS devices. Perfect for online classes, virtual meetings, or any scenario requiring wireless audio connectivity. Care & Usage Plug the dongle into an available USB port on your computer. Allow for automatic installation. Once installed, your headset should connect wirelessly. Keep the dongle in a dry, dust-free environment when not in use. Tech specs Compatibility: WNC‑2100, WNC‑2500, WNC‑3000, WNC‑3100 headsets Interface: USB 2.0 Operating Systems: Windows and macOS Functionality: Wireless audio connection, hands-free calling support Warranty: 1 year (school/institutional use)