Features:1. This product can be compatible with Bluetooth2. Allows you to connect an external audio source3. Adopt compatible with Bluetooth 4.0 protocol, compatible with 2.0 3.0 other versions of the compatible with Bluetooth protocol, can support common MP3 audio formats, designed for music lovers.4. High quality plastic material, durable and not easy to break.5. This product can fit for A3 A4 A6 A8 TT R8 RNS-ESpecification:Condition: 100% Brand newModel: A42310Material: PlasticCable Length: Approx. 17.5cm / 6.9inBlack: GND-Red: 12 V ACC +Compatible with Bluetooth Module Connector: 12 VFitment:Fit for A3 A4 A6 A8 TT R8 RNS-EPackage List:1 x 32Pin Cable Adapter Car KitInstallation:Red power cord is connected to 12 V +Black power cord is connected to 12 V-Connect to the CD player jack (please confirm the matching socket), connect the phone to the compatible with Bluetooth module, auxiliary audio and source selection, you can play music on your phoneNote:1. Please confirm the interface on the back of the host CD before purchasing.2. For compatible older models, we do not confirm 100%, make sure the connector is right for your car before ordering.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..