71 headset stereo pc headset usb 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 32 m sound modes 71 software 20 hardware surround headset type of headphones headband features adjustable headband padded headband in line control volume control passive noise cancellation headphone transmission range 25 20000 hz sensitivity 116 dbmw headphone