Stereo pc headset design over ear transmission mode cable type of connection usb 20 type of cable single sided length of cable 25 m sound mode 20 hardware type of headphones headband features in line control adjustable headband volume control led indicator padded headband function mute headphone transmission range 20 20000 hz sensitivity 112 dbmw headphone impedance 32 ohm microphone properties rotating microphone microphone frequency range