The USB virtual 7.1 sound adapter allows you to add 3D stereo sound to your computer. It is a highly flexible audio interface which can be used with either desktop or laptop systems.
-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.
-Plug & Play. No driver needed.
-Compliant with USB 1.1/2.0 specifications.
-Compliant with USB Audio device 1.0 specification.
-Compliant with USB bus-powered mode no external power required.