The bluetooth module is made for Kenwood radio. | Just plug the 13 Pin connector into the socket back of your radio | You can just Insert this item to the back radio then Connect the red wire to 12V+, the black wire to 12V-. | Pair your phone or mp3 or pad with bluetooth to the module, this name:jierui5908 | It is bluetooth 3.0 version, not need password when connecting.Choose AUX from your radio and you can play music from your phone in your car.Match your phone or pad to bluetooth module.and Choose Aux from your radio, then you can use your phone to play music through car speakers.

The bluetooth module is made for BMW E46 Business CD 10Pin.It is bluetooth 5.0 version, Support 4.0 /3.0 /2.0 5.0 | Just plug the 10pin connector into the socket back of your radio. | 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 bluetooth 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 have blueooth function).

The bluetooth module is made for Audi/VW vehicles which has AMI MMI MDI system.If there is AMI MMI MDI socket,our bluetooth module will work. | Just plug the AMI connector into the socket back of your radio.It is bluetooth 4.0 version, not need password when connecting. | Choose AUX from your radio and you can play music from your phone in your car. | Match your phone or pad to bluetooth 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 have blueooth function).Please confirm if your car is MMI 3G system before purchase.