DICOCO USB External Virtual 7.1 Channel/Ch 3D Stereo Sound Adapter with Double Micphone and Headset, 3.5mm Audio Adapter for Windows 98SE/ME/2000/XP/Server 2003/ Vista,Linux.MacOS (Black) Virtual USB 7.1 channel sound adapter is a highly flexible audio connector,can be used with any desktop or laptop systems. No need to install the driver,plug and play. USB bus-powered, no external power required. USB Type-A,double Stereo output jack,double Mono microphone-input jack. Driverless for Windows 98SE/ME/2000/XP/Server 2003/Vista,Linux/Mac OS.