The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. hero-video Merchant Video Adjustable Headband Adjustable design provides a snug fit for a variety of head sizes with a classroom-tested durable design. Durable and Comfortable The ACM-4004 headphone is engineered for today’s demanding classrooms. Utilizing a single 3.5mm plug, this headphone is compatible with Macs, Chromebooks, most newer PCs, tablets, smartphones, and more. Easy to use and built to last Designed From Experience Leatherette ear cushions are smooth and easy to keep clean. Tangle-free and ultra-durable TuffCord is designed for all classroom types. Cable management designed into the headband. Ideal for a classroom setting. EdTech Built To Last Headphones designed for the most demanding classrooms. Designed From Experience Cyber Acoustics has over 20 years of experience designing headsets for the toughest environments, including classrooms. 3.5mm Headphone Connection Standard 3.5mm headphone connection. No special installation or software needed. Padded Earcups Improved earpad and headband design offer a more comfortable fit while maintaining durability. Cyber Acoustics Headphones 3.5mm Stereo Headphones Buying Options Kids Stereo Headphones Add to Cart Stereo/Mono Headphones Add to Cart 3.5mm Stereo Headphones Add to Cart USB Stereo Headphones Add to Cart Customer Reviews 4.2 out of 5 stars 625 4.1 out of 5 stars 9 4.2 out of 5 stars 106 4.2 out of 5 stars 16 4.4 out of 5 stars 214 Price — $14.99$14.99 $14.99$14.99 $12.99$12.99 $16.99$16.99 Model ACM-4004 ACM-7000 ACM-500 ACM-6004 ACM-6005 Connection 3.5mm 3.5mm 3.5mm & 1/4" Adapter 3.5mm USB-A Headband Adjustable, Cord Management Adjustable & Smaller Size Adjustable & Padded Adjustable & Flexible Adjustable & Flexible Cable Braided TuffCord Braided TuffCord Robust Coiled Cord Braided TuffCord Braided TuffCord Drivers 32mm Dynamic Drivers 32mm Dynamic Drivers 40mm Dynamic Drivers 32mm Dynamic Drivers 32mm Dynamic Drivers Why can't I hear anything? Double check all the settings on your computer and make sure that the headphones are selected as the audio output. Test the headphones with another device. If the headphones work on another device you might need to update the computer audio drivers. How long is the cable? It is 6 feet long. Can I use these headphones with a TV? If the TV is equipped with a headphone audio out port the ACM-4004 should be compatible.