Turn a usb port into a virtual 71 channel sound card this usb to audio adapter lets you connect headphones or speakers and a microphone to your computer without the need to unplug other devices compliant with usb 20 and usb audio device specification 10 this usb to audio adapter couldn39t be any simpler to install compatible with windows 98se and up as well as mac os 9x and later the usb audio adapter integrates into any computer environment providing superb sound quality and con