The PWI-USB-A71 USB Virtual 7.1 Sound Adapter from Prudent Way allows you to add 3D stereo sound to your computer. It is a flexible audio interface, which can be used with either desktop or laptop systems.
Compliant with USB 1.1/2.0 & USB Audio device 1.0 specifications.
Compliant with USB bus-powered mode, no external power required.
Built-in mic, speaker, mutekeys, and volume control keys allow you total input/output control.
Built-in LED indicator lights show the status of mic mute and activity.