1) USB 2.0 External 7.1-Channel Audio Sound Card Adapter.
2) Compliant with USB 2.0 Full-Speed (12Mbps) Specification.
3) Compliant with USB Audio Device Class Specification 1.0.
4) Compliant with USB HID Class Specification 1.1
5) Driverless -No driver required for Windows 98SE/ ME/ 2000/ XP/ 7/ Server 2003/ Vista/ Linux, Mac OS.
6) Extend your stereo speaker or earphone to 7.1 channel environment.
7) LED indicators: Microphone-Mute Status, Activity
8) Powered directly via USB port. Work with either desktop or laptop.
9) Compact, portable, convenient to carry.
10) Device Type :USB 2.0 External 7.1-Channel Audio Sound Card Adapter
11) Interface Type: USB 2.0
12) Function Keys: Microphone-Mute, Speaker-Mute, Volume-Up, Volume-Down
