[Analog to Digital Audio Converter] Convert the R/L RCA Analog Signal or 3.5mm Jack 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. Dolby Is Not Supported and Needs to Be Turned off before Use. Note: Set the Connected Device to Support Audio Output before Use, and Set the Audio Output to PCM or LPCM. Because It Is Not Compatible with 5.1 Channel Signal, such as Dolby Digital and DTS 5.1, Dolby-AC3.[Input and Output] Input Audio Connector: 2 x RCA (R/L, Excluding RCA Cable), 1x 3.5mm Jack 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:blackMaterial:plasticSize: 48x45mm Package Contents:1 x Audio Converter1 x USB lineOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.