This USB Audio adapter converts a USB port to an audio port, allowing you to add headsets and microphones to your computer without the need to unplug other devicesCompliant with USB 2.0 and USB audio device specification 1.0, the USB audio adapter couldnt be any simpler to install...its as easy as connecting the adapter to an available USB 2.0 port, then connecting your audio devices to the provided 3.5 mm audio ports as needed.Compatible with Windows 98SE and up, as well as Mac OS 9.x and later, the adapter integrates into any computer environment, providing superb sound quality and convenience that cant be matched.