USB Audio Device USB bus-powered, no external power required.
The USB 2.0 External 7.1-Channel Audio Sound Card Adapter. It can work with either desktop or laptop. And with the Xear 3D Sound Simulation 7.software, it extends stereo speaker or earphone to 7.1 channel environment, giving high quality sound enjoyment.
Connectors: USB Type A, Stereo output jack, mono microphone input jack
Xear 3D virtual 7.1 channel sound simulation software for Windows XP / Vista is included
Functions keys: Microphone-Mute, Speaker-Mute, Volume-Up and Volume-Down
Size: 57 x 25 x 12mm
System:Windows, Linux, Mac OS
1 * External USB Sound Card
Order 100+ this usb sound cards, we will ship to you by DHL, Fedex, UPS by free and processing time within 1-3 business days.