Type: USB sound card adapter Color: Black Series: 5Hv2 No driver required, just plug and play Virtual 7.1 Surround Sound. Combined with: USB 2.0 Full-Speed (12Mbps) Compatible with: USB 1.0/ 1.1-USB bus-powered mode, no external power required. Connector Type: USB Type-A, Stereo output jack, Mono microphone input jack Functional keys: Microphone-Mute, Speaker-Mute, Volume-Up, Volume-Down