71 headset stereo pc headset design over ear type closed transmission mode cable types of connection 2x 35mm jack usb usb 20 type of cable single sided length of cable 3 m sound modes 71 software surround headset type of headphones headband features control via headset collapsible padded headband in line control volume control adjustable headband max power handling 50 mw headphone transmission range 20 20000 hz sensitivity 118 dbmw headp