Stereo pc headset 71 headset usb headset design over ear type closed transmission mode cable types of connection usb 20 usb types of cable tangle free single sided length of cable 25 m sound modes 20 hardware surround headset type of headphones headband features padded headband control via headset volume control adjustable headband functions mute with vibration headphone transmission range 20 20000 hz sensitivity 92 dbmw headphone impedan