Key Features: "Driveless - No driver required for Windows 98SE ME 2000 XP Server 2003 Vista Linux, MacOS ., Complaint With USB 2.0 Full-speed (12Mbps) Specification, USB Audio Device Class Specification 1.0, USB HID Class Specification 1.1., Plug the Sound Adapter into your USB port, and then plug your headphones into the Adapter., The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with desktop or notebook systems., Comes bundled with Xear 3D Sound simulation software, and turns your stereo speaker or earphones into a 7.1 channel environment! USB2.0 Full-Speed (12Mbps) Specification USB HID Class Specification 1.1 USB Audio Device Class Specification 1.0. Support Mac OS and Linux."