1. Bluetooth Transmission The Bluetooth music player for cars with wireless music transmission is easy to use—simply plug it into your car's existing phone/media socket, and it reconnects automatically every time you enter the car. Music playback occurs online in realtime and adapts to different usage environments. 2. Strong Compatibility This Bluetooth adapter is designed for various vehicle brands and comes with different ports to connect to the interface reserved behind the original car stereo. The product features a wide voltage input to adapt to different usage environments. 3. Bluetooth Adapter The AUX Bluetooth module, equipped with Bluetooth 5.0 EDR technology, allows seamless streaming from your phone through the car speakers. Enjoy your music in the car with speed transmission, no distortion, and definition sound quality. 4. Usage The Bluetooth module is easy to install. Plug the Bluetooth adapter into the AMI socket before powering it on. Once powered, the Bluetooth indicator will flash. Then, turn on your phone and complete the Bluetooth pairing. After pairing, activate the AUX mode on the car stereo and play audio via the AUX input.