[Analog to Digital Audio Converter] Convert the R/L RCA Analog Signal or 3.5mm AUX Audio to Digital Coaxial or Toslink SPDIF Optical Digital Audio. (Cannot Be Reversed). [High Sampling Rate] Support Uncompressed 2-channel PCM/LPCM Digital Audio Signal Output. Support Output Sampling Rate from 48 kHz to 96 kHz. Is Not Supported and Needs to Be Turned off Use. Note: Set the Connected Device to Support Audio Output Use, and Set the Audio Output to PCM or LPCM. Because It Is Not Compatible with 5.1 Channel Signal, such as Digital and DTS 5.1, -AC3. [Input and Output] Input Audio Connector: 2 x RCA (R/L, Excluding RCA Cable), 1x 3.5mm AUX (Excluding 3.5mm Audio Cable); Output Audio Connector: 1xToslink (Including Fiber Optic Cable), 1xCoaxial. [Plug and Play] Simple to Install and Easy to Operate. No Need Any External Driver, Be Powered by USB Cable. Be Available for PS3, , Blu-Ray Player, HD DVD, AV Amps, etc. Colour:black Material:plastic Size: 48x45mm Package Contents: 1 x Audio Converter 1 x USB line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.