Enjoy clear voice transmission with this wireless headset that features a noise-canceling microphone for reduced background sound. The H800 features a USB nano receiver for computers and Bluetooth for smartphones, tablets and Bluetooth-enabled computers. It is easy to connect and switch between devices with no wires to get in your way. HD stereo sound delivers rich, digital audio without distortion. Microphone arm is easily adjustable to just the right position you need to talk to clients or teammates and can be tucked out of the way when not being used. Full set of controls located on the right ear cup.