StarTech.com USB Stereo Audio Adaptors - StarTech.com ICUSBAUDIOB, This USB Audio adaptor from StarTech.com converts a USB port to an audio port, enabling you to add a headset and microphone 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 adaptor couldn\'t be simpler to install. It\'s as easy as connecting the adaptor to an available USB 2.0 port, then connecting your audio devices to the provided 3.5mm audio ports as needed.Compatible with most versions of Windows and Mac operating systems, the adaptor integrates into virtually any computer environment, and provides superb sound quality and convenience.It is backed by a 2-year warranty and free lifetime technical support StarTech.com ICUSBAUDIOB USB Stereo Audio Adapter External Sound Card