2 for RCA Stecker. 1x Microphone. Colour:black. You can just Insert this item to the back radio then Connect the red wire to 12V+, the black wire to 12V-. Match your phone or pad to module.and Choose Aux from your radio, then you can use your phone to play music through car speakers;You can hear music from your phone/pad/mp3(They should haveBluetooth-compatible function).
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