... XP, V Add a virtual 7.1 channel sound to your PC.turn your stereo speaker / earphones into 7 ... Audio Device Class Specification 1.0.USB bus-power, no external power required!Connectors: USB Type A, Stereo output jack ... , Vista, Linux, MacOSDesktop or notebook PC with a USB port.Stereo active speaker or stereo earphone.Windows 98SE, ... )Manufacturer Part Number: SYBA SD-CM-UAUD71 USB Sound Card Adapter