This item can transforms a digital RCA Coaxial(S/PDIF) audio signal to a Digital Toslink Optical signal. This coaxial to optical converter will allow you to connect the coaxial digital audio output from your DVD，Cable or satellite receiver to a Toslink digital optical input. Specification:1.Input Signal: Coaxial RCA audio signal2.Output Signal: Digital Optical audio signal3.Transfer Rate: 24-bit4.Transmission Frequency: 96KHz5.Charger Adapter Input: 110-240V 50/60Hz6.Power Supply: DC 6V， 250mA7.Plug Type: US Plug8.Color: Silver Adapter & Black Plug9.Size: Approx.67x45x18mm (L*W*H)10.Support: All S/PDIF digital audio transmission for incompressed PCM， LPCM，Dolby AC-3，Dolby 5.1 and DTS soundPlease Note: This product will not convert ANALOG AUDIO(typically left & right -Red and White RCA audio to the Digital Audio Formats)Package includes:1 x Coaxial to Optical Digital Audio Converter1 x US Plug Power Adapter