Stereo pc headset design over ear transmission mode cable type of connection 35mm jack type of cable single sided length of cable 25 m sound mode 20 hardware type of headphones headband features passive noise cancellation in line control volume control headphone transmission range 20 20000 hz sensitivity 100 dbmw headphone impedance 32 ohm driver 50 mm microphone properties noise cancelling microphone retractable microphone microphone sensiti