1. Convert analog L/R audio signal to Coaxial orToslink digital audio signal.2. Support 3.5mm audio and RCA audio input.3. Support sampling rate:48 KHz.4. R/L channel of S/PDIF is 24 bit.5. Support electromagnetic noise-free transmission.Easy to install and simple to operate.Input Audio:L/R analog audioOutput Audio:Coaxial or Toslink digital audioInput Audio Connector:2xRCA(L/R), 3.5mm audioOutput Audio Connector:Toslink, 1XRCA(Coaxial)Sample Rate:48KHzMax Working Current:250mAPower Adapter Format:AC (50Hz, 60Hz) 100V-240V; DC 5V/500AOperating Temperature Range:(-15℃ to +55℃)Working Humidity Range:5% to 90%RH (No Condensation)Weight:62gNote:1. Please choose PCM/LPCM on your TV as audio outputformat.2. Dolby sound is not supported, please shut offDolby when use.3. Please adjust volume on terminal audio equipmentinstead of on TV.Colour:BlackMaterial:Plastic+MetalSize:(L x W x H):45x48x20(mm)Package Contents:1 x Analog to Digital audio converter1 x 1m Optical Cable1 x USB Power Cable1 x English User ManualOnly the above package content, other products are not included.Note: Light reflection 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.