Descripition In digital recording mode,it receives S/PDIF digital audio input and sends back to PC through USB. Three sampling rates, includes 32KHZ, 44.1KHZ are automatically locked internally. In analog recording mode, fixed 48khz sampling rate is supported by analog audio recording. Supports SES/EBU, IEC60958, S/PDIF consumer formats for stereo PCM audio. Supports USB full speed 12Mbit serial data transmiion; 3 input terminals; 3 output terminals. Specification: Material: metal + plastic. Color: black. Size: 9x7x2cm. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1 x USB Sound card. 1 x Driver CD. 1 x USB Cable.