The Syba SD-CM-UAUD71 USB sound card is great for people who have busted audio cards on a laptop or desktop computer and want a quick and easy fix. This USB Sound Adapter is also a great way to upgrade your sound capabilities - just plug it in and go. Compatible with Windows XP and Windows Vista, you'll enjoy excellent sound quality for the price. You can also take advantage of the sound management software that the card uses to setup your equalizer and effects for the ultimate sound experience. If you lost sound on your laptop and thought you wouldn't ever get it back, this device can. The device outputs audio through a single standard 3.5mm (headphone) jack and has enhanced processing capabilities that may give you the impression of a full 7.1ch system - called Virtual 7.1ch Surround.This USB to microphone adapter is an affordable and easy way to add a microphone port or headphone jack to your laptop or desktop. USB external sound cards are very easy to install. Syba Full Featured Sound Solution PC USB Audio Adapter 7.