FULL STEREO SOUND - lets students hear and be heard clearly..Note : If the size of the earbud tips does not match the size of your ear canals or the headset is not worn properly in your ears, you may not obtain the correct sound qualities or call performance. Change the earbud tips to ones that fit more snugly in your ear180 ROTATING MICROPHONE - Students can position boom on the left or right for better voice capture and background noise reduction.ADJUSTABLE HEADBAND, SOFT EAR CUSHION AND LONG CORD - support comfortable wear and fit all day while allowing students to move and stretch when needed.UNIVERSAL 3.5 mm CONNECTION - fits standard audio jacks to the devices students use, including Chromebooks, Windows laptops and PCs, and iPads. Plus, its a certified Works With Chromebooks product.LEATHERETTE EAR CUSHIONS - can be easily cleaned after each use for safe sharing and long wear.