7.1 Channel External USB Audio Sound Card Adapter USB 2.0 FullSpeed (12MBPS) Specification USB bus-powered, no external power required Compliant with USB 2.0 full-speed (12Mbps)- Compliant with USB audio device class specification 1.0- Compliant with USB HID class specification 1.0- USB bus-powered mode, no external power required- Connectors: USB Type-A, Stereo output jack, Mono microphone-input jack- Functional keys: Microphone-Mute, Speaker-Mute, Volume-Up, Volume-Down- LED indicators: Microphone-Mute Status, Activity- Include Xear 3D, the 7.1 channel sound simulation software for Windows XP/Vista- Driverless. No driver needed for Windows 98SE/ME/2000/XP/Server 2003/Vista, Linux, Mac OS10 Brand No Brand SKU 100374409_NP-1020662553 Usb Ports Not Specified Plug And Play Not Specified