Bluetooth Transmission: The Bluetooth music player for car with wireless music transmission is easier to use, just plug it into your car existing phone/media jack and reconnect every time you get in the car. Music playback is online in real time and adapts to different usage environments. Strong Compatibility: This Bluetooth adapter is designed for different vehicle brands and is equipped with different ports for connecting to the interface reserved behind the head unit of the original vehicle, the product uses a wide voltage input to adapt to different usage environments. Bluetooth Adapter: The AUX Bluetooth module with Bluetooth 5.0 EDR technology makes it easy to transmit your mobile phone through the car speakers. Listen to your music freely in the car. High-speed transmission without distortion and sound quality according to high-definition standards. How to use: The Bluetooth module is easy to install, when you use it, plug the Bluetooth adapter into the AMI jack before power on, then turn on the phone, after power on, the Bluetooth indicator will flash, then turn on the phone and perform Bluetooth matching, after the Bluetooth matching is completed, turn on the AUX module of the main unit, and follow the AUX audio playback to complete the playback.