Features :

plug and play.
Supports SES/EBU,IEC60958,S/PDIF consumer formats for stereo PCM audio.
Fixed 48KHZ sampling rate for 5.1 channel playback.
Supports analog recording function.
Supported SCMS copy protection.
Compatible with Windows XP, Vista, Win7.
Fully duplex playback/recording audio stream without sound card in PC.
Compliant with USB specification v1.1.
Compliant with USB audio device class v1.0.
Supports USB full speed 12Mbit serial data transmission.
3 input terminals,3 output terminals.
Alternate setting 0 is a zero-bandwidth setting used to release the claimed bandwidth on the.
bus when this device is inactive,Isochronous transfer uses adaptive and asynchronous synchronization.
Support multi channels audio code interface for 5.1 channel playback.
Supports conventional audio 2 channels source playback.

Mic in= microphone input: plug in the microphone.
Line in= Line input: Input audio such as MP3 to the sound card, synthesize and edit on the computer.
Front out= front output: 2-channel plug-in headphones or speakers / 4 channels or more plug-in front speakers.
Rear out= rear output: turn on 4 channels or more to sound / plug the rear speakers.
Cen/bass out= center/bass output: 5.1 speaker dedicated interface
SPDIF IN= Fiber Input: Fiber audio input to the sound card, synthesized editing in the computer
SPDIF OUT= Fiber Output: General output to a fiber amplifier or decoder (digital signal)

Package Included:

1 x USB Sound card
1 x Driver CD
1 x USB Cable