Brand: QVS. MPN: USB-AUDIO3. This USB to stereo audio converter connects headset and microphone to your computer thru USB port. Features volume control and mic mute buttons. Plug and play with no software to install and compatible with Windows 98SE ME 2000 XP 7 8.1 and Mac OS 9.x or later. It is USB 2.0 USB HID 1.1 and USB Audio 1.0 compliant. (REV4).