The USB Hi-Fi Headphones with Mic and Volume Control deliver high-quality stereo sound wide dynamic range and deep bass thanks to 40mm drivers. Additional features include an adjustable padded headband plush foam ear pads wrapped in a soft leatherette for hours of comfortable use a noise-cancelling microphone easily adjustable volume level and mic mute controls robust design with a 1.8m USB cable for flexible movement a safe listening limiter to help protect ears from excessive loudness multi-device compatibility (Windows Mac Chromebook) and a one-year warranty.N/AN/A40mm drivers with deep bass and a wide dynamic range deliver exceptional sound.N/ADesigned to fit heads of all ages the adjustable headband is padded and the foam ear pads are wrapped in a soft leatherette cover to provide hours of comfortable use. The flexible boom-style microphone can be rotated up to 270. Robust design with durable materials including a 1.8m USB cable that allows for flexible movement make this headset ideal for learning environments call centres business professionals and gamers.N/AA noise-cancelling microphone uses passive resistance technology to filter out ambient noise for optimum speech clarity. Easily adjust volume and mute the microphone with easy-to-reach controls built right into the USB cable.N/ASafe listening limit sets the maximum output to 94dB to protect ears from hearing loss associated with excessive loudness.N/AThese headphones work with Windows Mac and Chromebook devices.N/AA one-year warranty means you can rest assured knowing youre covered by Kensington.