Usb headset stereo pc headset 71 headset design on ear transmission mode cable types of connection 2x 35mm jack usb 20 type of cable single sided length of cable 25 m sound modes 71 software 20 hardware surround headset type of headphones headband features intergrated sound card volume control function mute max power handling 80 mw headphone transmission range 20 20000 hz sensitivity 102 dbmw headphone impedance 50 ohm driver 40 mm