This USB sound adapter allows you to bypass your computer's sound card or headphone output and send digital audio signal through the USB interface. This is the perfect digital interface between your computer and music system and will improve the sound of all your music.<br><br><strong>Features:</strong><br>External USB 2.0 full-speed (12Mbps) DAC audio sound adapter.<br>High quality S/ PDIF digital output interface.<br>Analog-out: 3.5mm stereo microphone output and stereo line-out.<br>Analog Input: 3.5mm stereo microphone input.<br>Supports 44kHz/ 48kHz/ 96kHz sampling rate.<br>Supports EQ (Bass Boost-Direct-Treble Boost) function.<br>With volume control knob and LED indicators for power on and sampling rate.<br>USB bus powered, external power is not required.<br><br><strong>Specifications:</strong><br>Color: Black<br>Item Size: 4.5 * 4.5 * 1.5cm/ 1.8 * 1.8 * 0.6in<br>Cable Length: 40cm/ 15.7in<br>Item Weight: 35g / 1.2oz<br>Package Size: 17 * 10 * 4cm / 6.7 * 3.9 * 1.6in<br>Package Weight: 95g/ 3.4oz<br><br><strong>Note:</strong><br>Driver is needed to be installed in order to use S/ PDIF pass through function. Please find the driver download address below: http://www.drivers-download.com/en/pnsearch.php?pn=UAU05B<br><br><strong>Package List:</strong><br>1 * USB Sound Card<br>1 * User Manual (English)