Usage Tips:Convert coaxial cable or Toslink digital audio signals into analog L/R audio, Supports sampling rates of 32, 44.1, 48 and 96 KHz; Support left and right channel 24-bit S/PDIF incoming bit stream pairs No electromagnetic noise transmission Simple installation and easy to use. Audio signal input: coaxial cable or optical fiber digital audio cable Audio signal output: L/R audio Audio input connector: optical fiber cable, 1XRCA (coaxial) Audio output connector: 2XRCA (R/L) Temperature (when in use): 0°Cto +70°C Humidity (when in use): 10% to 85% RH (no crystals) Temperature (when stored): -10°C to +80°C Humidity (during storage): 5% to 90 % RH (no crystals) External power supply: 5VDC@1A Power consumption (max): 0.5 W Colour:Black Material:Metal+Plastic Package Contents: 1 x audio converter 1 x USB cable 1 x Optical fiber cable 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.