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 devices! Compliant with USB 2.0 and USB audio device specification 1.0, the USB audio adapter couldn't be any simpler to install...it's 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 can't be matched.