Stereo pc headset design on ear transmission mode cable length of cable 18 m sound mode 20 hardware type of headphones headband features in line control volume control function mute headphone transmission range 20 20000 hz sensitivity 105 dbmw headphone impedance 32 ohm driver 40 mm microphone properties omni directional microphone rotating microphone microphone frequency range 30 16000 hz microphone sensitivity 58 dbmw microphone impeda