Plug and play,automatic installation
USB bus-power, no external power supply needed
Stereo audio out and mono microphone socket
Two jacks, the green one is for stereo output, and the yellow one is for mono microphone input
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 2.0 and USB audio device specification 1.0, this USB to Audio adapter couldn’t be any simpler to install. Compatible with Windows XP / Win7, Win8, as well as Mac OS 9.x and later The USB Audio Adapter integrates into any computer environment, providing Superb sound quality and convenience that can’t be matched.