Galaxy Hi-Tech® 7.1 Channel USB External Sound Card Audio Adapter with Mic USB Sound Card Adapter for Windows and Mac, Plug and Play No Drivers Needed Brand : Galaxy Hi-Tech  Colour : Black  Description:   Wanting to connect some speakers, a microphone or headset to a USB interface but getting nowhere?  Speak up and speak out.  This device is simple, easy to use and has fantastic sound potential for you to enjoy endless hours of fun with your speakers, microphone and headset. 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. Portable, compact and durable. Plug the Sound Adapter into your USB port, and then plug your headphones into the Adapter. 2 Function keys: Microphone-Mute / Speaker-Mute 2 Volume keys: Volume-Up / Volume-Down. 2 LED status lights: Mic-Mute / Activity. 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.