HUHD Universal 2.4Ghz Optical Wireless Gaming Headset with Detachable Mic The use of protein soft high elasticity ear pad, without pain or pressure for long time use. 2.4G USB Optical wireless technology transmission, faster than Bluetooth to achieve lossless HI-FI sound quality. Low power circuit design, the battery capacity is larger, could continuous work for more than 6 hours. Support a variety of equipment, perfect support PS4, Xbox, PC and other equipment. Digital wriless technolegy allows you to operate the headphones at A distance of 19-32 ft (6-10m) meters from the transmitter- allowing you freedom to move around without cable while play games.