The StarTech ICUSBAUDIO USB 2.0 to Audio Adapter turns a USB port to audio jacks and lets you to add headsets and microphones to your computer without needing to unplug other devices. The adapter is USB 2.0 and USB 1.1 compliant and supports the USB audio device specification 1.0. Installation is as simple as plugging it in and the sound quality it outstanding.The StarTech ICUSBAUDIO USB 2.0 to Audio Adapter works with Windows 98SE and up and Mac OS 9.x and later. It is backed by a 1-year warranty.Adapter turns USB port into two audio jacks.Supports the USB audio device specification 1.0.Compliant with USB 2.0 and USB 1.1.Compatible with Windows 98SE and up and Mac OS 9.x and later.Backed by a 1-year warranty.