Set yourself free from cord constriction in style with MDR-DS6500 wireless headphones. Stroll up to 328 feet away from the transmitter in any direction you choose and still enjoy premium CD-quality sound. Tune in music, movies, games and more with the amazing clarity provided by neodymium magnets and 40mm driver units. An extra-long 20-hour battery life means you won't have to recharge as often to make the epic 7.1-channel surround sound experience last.