Features&Specification:
*USB 2.0 Full-speed (12Mbps), USB Audio Device Compliant
*USB Bus Powered. External Power Not Required
*Connectors: USB Type-A, Stereo Output Jack ,Mono Microphone Input Jack
*LED Indicator for USB Activity
*Driver not required, plug and play
Comaptible with Windows7,Vista,XP,2000,98se,Me,Server2003,Sever 2008,Linux, and MAC OS/X 10.5.X or Higher
Size: 4x2.4x1.2cm(L x W x H)
System requirement
*Deskop or notbook PC with a USB 2.0 port
*A supported opetating system shown above
*Active stereo speaker or stereo earphone
*Optional mono microphone
Installation
1>Connect the speaker/earphone and microphone to the sound adapter
2>Connect the sound adapter to an available USB port on your computer
3>Your opeating system should detect this new device and automatically install the USB audio driver

Package includes:
1 x external usb sound card