Stereo pc headset design over ear types dynamic closed transmission mode cable type of connection 35mm jack length of cable 13 m sound mode 20 hardware type of headphones headband features collapsible in line control passive noise cancellation volume control function mute max power handling 100 mw headphone transmission range 20 20000 hz sensitivity 119 dbmw driver 44 mm microphone properties omni directional microphone rotating microphon