External USB Sound Card Adapter

Lenth: 70mm virtual 7.1 usb sound card virtual 7.1 usb sound card line out for speakers / headphones - line in for microphone no existing sound card required. this sound card works completely independently no additional power required - completely powered by the usb port compatible with: windows vista, windows 7, windows 8, windows 8.1, windows 10 this usb sound card is only for pc and laptop compliant with usb 2.0 full-speed (12mbps) specification compliant with usb audio device class specification 1.0 compliant with usb hid class specification 1.1 usb bus-powered mode, no external power required led indicators: microphone-mute states, activity include xear 3d,the virtual 7.1 channel sound effect driver-less-no driver required for windows 98 se/me/2000/xp/server 2003/vista/windows 7.linux