Generic 7.1 Channel USB External Sound Card Audio Mic Sunsong Adapter USB bus-powered mode highly flexible audio interface plug in and play kit compatible with all major operating system withou driver for Windows 98SE/ME/2000/XP/2003/Vista/win 7/Linux/MacOs Compliant with USB 2.0 full-speed (12Mbps) specification Compliant with USB HID Class Specification 1.1 upport Windows 98SE/ ME/ 2000/ XP/ SERVER2003/ VISTA, LINUX, MACOS10 or higher