The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with Desktop or Notebook systems, It turns your stereo speaker or earphones into 7.1 channel environment.
Compact, portable, convenient to carry"
Compliant with USB 2.0 Full-Speed (12Mbps) Specification
Compliant with USB Audio Device Class Specification 1.0. USB bus-powered, no external power required
Compliant with USB HID Class Specification 1.1
This is USB 2.0 External 7.1-Channel Audio Sound Card Adapter. It can work with either desktop or laptop. it extends your stereo speaker or earphone to 7.1 channel environment, giving you high quality sound enjoyment