Stereo pc headset design on ear transmission mode cable type of connection 2x 35mm jack type of cable single sided sound mode 20 hardware type of headphones headband features adjustable headband passive noise cancellation collapsible headphone transmission range 20 20000 hz sensitivity 100 dbmw headphone impedance 32 ohm driver 40 mm microphone properties omni directional microphone microphone frequency range 50 10000 hz microphone sensitivi