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 audio Output Audio:Coaxial or Toslink digital audio Input Audio Connector:2xRCA(L/R), 3.5mm audio Output Audio Connector:Toslink, 1XRCA(Coaxial) Sample Rate:48KHz Max Working Current:250mA Power Adapter Format:AC (50Hz, 60Hz) 100V-240V; DC 5V/500A Operating Temperature Range:(-15℃ to +55℃) Working Humidity Range:5% to 90%RH (No Condensation) Weight:62g Note: 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:Black Material:Plastic+Metal Size:(L x W x H):45x48x20(mm) Package Contents: 1 x Analog to Digital audio converter 1 x 1m Optical Cable 1 x USB Power Cable 1 x English User Manual Only 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.