Usb 2.0 External 7.1 Sound Card

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, MacOS. 6) Extend your stereo speaker or earphone to 7.1 channel evironment. 7) LED indicators: Microphone-Mute Status, Activity 8) Powered directly via USB port.Work with either decktop 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, Volum-Down 13) Color: white