Stereo pc headset design over ear type closed transmission mode cable type of connection usb 20 types of cable single sided tangle free length of cable 25 m sound mode 20 hardware type of headphones headband features control via headset padded headband volume control adjustable headband function mute headphone transmission range 20 20000 hz sensitivity 92 dbmw headphone impedance 32 ohm driver 40 mm number of drivers 1 microphone prope