Brand new USB2.0 3D 7.1 Channel audio sound adapter. Compatible with desktop & laptop PC. USB2.0 Full-Speed (12Mbps) Specification. USB HID Class Specification 1.1. USB Audio Device Class Specification 1.0. Connectors: USB Type A, Stereo output jack, mono microphone input jack. Functions keys: Microphone-Mute, Speaker-Mute, Volume-Up and Volume-Down. LED indicators: Microphone-Mute Status, Activity. USB bus-powered mode, no external power required. Plug & play and hot swapping capability. Package Content: 1X USB Audio Sound Adapter.