Stereo pc headset usb headset design over ear transmission mode cable types of connection usb usb 20 type of cable single sided length of cable 2 m sound mode 20 hardware type of headphones headband features adjustable headband padded headband in line control volume control function mute headphone transmission range 20 20000 hz sensitivity 105 dbmw headphone impedance 32 ohm driver 40 mm microphone frequency range 16 20000 hz microphon