Bluetooth-compatible: V5.0. Existing CD changer can still be used. You can just Insert this item to the back radio then Connect the red wire to 12V+, the black wire to 12V-. Match your phfor or pad to module.and Choose Aux from your radio, then you can use your phfor to play music through car speakers;You can hear music from your phfor /pad/mp3(They should have blueooth function).
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