Stereo pc headset design over ear types dynamic closed transmission mode cable type of connection 35mm jack type of cable double sided length of cable 13 m sound mode 20 hardware type of headphones headband features active noise cancellation padded headband passive noise cancellation adjustable headband function mute max power handling 40 mw headphone transmission range 20 20000 hz sensitivity 111 dbmw headphone impedance 32 ohm driver