Description for AlexVyan Sound Card Brand : AlexVyan Color : Black Description: The USB Virtual 7.1 Channel Sound Adapter is a highlyflexible audio interface which can be used either with Desktop or Notebook systems. Features:: 100% brand new and high quality The USB 2.0 Virtual 7.1 Channel Sound Adapter can work with desktop or laptop. This highly flexible audio interface extends your stereo speaker or earphone to projected 7.1 channel environment, giving you high quality sound enjoyment. Compliant with USB 2.0 Specification. USB Plug and Play compatible. Portable, compact and durable. Specifications: Bundled with Xear 3D Sound simulation software, it turns your stereo speaker or earphones into 7.1 channel environment. No drivers required, just plug and play for instant audio playback, also compatible with all major operation systems. Features & Specifications Compatible with USB 2.0 Full-Speed (12Mbps) Specification Compatible with USB Audio Device Class Specification 1.0 Compatible with USB HID Class Specification 1.1 USB bus-powered mode, no external power required. Plug the Sound Adapter into your USB port, and then plug your headphones into the Adapter. 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. USB bus-powered, no external power required. 2 Function keys: Microphone-Mute / Speaker-Mute 2 Volume keys: Volume-Up / Volume-Down. 2 LED status lights: Mic-Mute / Activity. Color: Black Size: Approx. 58*25*14mm / 2.28*0.98*0.55" No drivers required for Windows 2000 / XP / Server 2003 / Vista / 7 / 8 / 8.1 / RT, Linux, Mac OS.