Desktop or notebook PC with a USB port. Stereo active speaker or stereo earphone. Windows 98SE, ME, 2000, Server 2003, XP, V Add a virtual 7.1 channel sound to your PC.turn your stereo speaker / earphones into 7.1 channel environment.SpecificationUSB2.0 Full-Speed (12Mbps) SpecificationUSB HID Class Specification 1.1USB Audio Device Class Specification 1.0.USB bus-power, no external power required!Connectors: USB Type A, Stereo output jack, mono microphone input jackXear 3D virtual 7.1 channel sound simulation software for XP / Vista is includedFunctions keys: Microphone-Mute, Speaker-Mute, Volume-Up and Volume-DownLED indicators: Microphone-Mute Status, ActivityPlug and Play. No drivers required for Windows 98SE / ME / 2000 / XP / Server 2003 / Vista, Linux, MacOSSystem RequirementDesktop or notebook PC with a USB port.Stereo active speaker or stereo earphone.Windows 98SE, ME, 2000, Server 2003, XP, Vista, Linux, MacOS, or higher.Xear3D (Virtual 7.1 channel sound simulation software)Suggested Applications: Windows 98SE, ME, 2000, Server 2003, XP, Vista, Linux, MacOSManufacturer Part Number: SYBA SD-CM-UAUD71

USB Virtual 7.1-Channel Sound Adapter USB sound card 7.1