7.1 Channel USB External Sound Card Audio Adapter(Sound Card)
</b><b><br>Plug the sound sdapter into your USB port, and then plug your headphones into the adapter. </b><b><br>No need to install any driver. </b><b><br>USB 2.0 full-speed. </b><b><br>7.1 channel external USB audio sound card adapter. connectors: USB Type A, stereo output jack. </b><b><br>LED indicators: microphone-mute status, activity. </b><b><br>USB bus-powered, no external power required.