Feature:1. Specially designed for car audio car MP5, MP3, plug and play, simple and convenient.2. Select AUX from the radio, and then you can play music on your phone in the car.3. Match your mobile phone or tablet with the Bluetooth module, then select Aux from the radio, and then you can use your mobile phone to play music through the car speakers.4. You can listen to music from mobile phones, tablets, mp3 (they should have Bluetooth capabilities).5. High‑quality ABS material, durable, wear‑resistant, with long service life, small and light, easy to carry.Specification:Condition: 100% Brand NewItem Type: Bluetooth AUX Receiver ModuleMaterial: ABSColor: BlackInstallation Method:1. Connect the red wire to the 12 volt ignition power supply.2. Connect the black wire to the ground/metal chassis.3. Connect RCA to the RCA input of the source device.4. Go to phone and pair..Package List:1 xBluetooth AUX Receiver Module