StarTech.com 7.1 USB Audio Adapter External Sound Card - Manual (Page 2)

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
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