Applications
Add 7.1 audio support to laptop or small form factor system with no internal expansion options
Replace or upgrade the existing integrated audio on a laptop or portable computer
Connect your computer to an home theater audio receiver through optical S/PDIF

Features
Full 7.1 audio outputs via 3.5mm mini-jacks
Optical S/PDIF input (pass through) and output
Dual microphone input
Built-in volume control buttons
Full-duplex recording and playback
Supports 48/44.1 KHz sample rate for recording and playback
High Speed USB 2.0 compliant host interface, with transfer rates up to 480 Mbps