Turn your laptop or desktop computer into a 7. 1-channel home theater-ready sound system Full 7. 1 audio output support in a compact and portable external sound card Connect to external speakers through 3. 5mm mini-jacks or optical S/PDIF Backed by a Star Tech. com 2-year warranty and free lifetime technical support This versatile External USB Sound Card/Audio Adapter offers a high quality solution for upgrading desktop or laptop sound. Providing a robust USB audio experience, the USB sound card connects to a host computer through a single USB 2. 0 connection, to deliver impressive external audio capability that can instantly be swapped between systems, without having to open the computer case for installation. Supporting analog and digital audio for 2 to 7. 1 channel audio applications, the external USB sound card provides a cost-saving upgrade from built-in/on-board sound that turns desktop/laptop sound into a home theater-ready audio solution. The external USB sound card features easy-to-use volume control and two external microphone inputs - a convenient solution for any audio application requiring high quality sound with multi-input capability with support for 44. 1 KHz and 48 KHz sampling rates for both playback and recording. A more than suitable solution for home theater, gaming or multi-media presentations, the External USB Sound Card is easy to install with plug and play support in Windows XP and Windows Vista operating systems. Designed to deliver a long-lasting and dependable sound solution, the External USB Sound Card/Audio Adapter is backed by our 2-year warranty and free lifetime technical support. What’s in the box USB to Audio Adapter USB Cable Installation CD Instruction Manual