Using Jerry Bluetooth main control chip, Bluetooth 5.0 version, high-speed transmission without distortion, and sound quality up to high-definition standards. The car Bluetooth music player has wireless music transmission function, which is suitable for old and current car audio systems. Many consumers find it troublesome to listen to music normally. If there is no reserved audio input port in the car, it is necessary to burn a disc, and the audio source update of the disc is slow and inconvenient. For example, some cars are equipped with an external audio input port, and listening to music also requires pulling a long signal cable, which is inconvenient to drag on the center console. If Bluetooth transmission is used, it can say goodbye to clutter and also play music online. In the era of streaming media, various online apps are quite convenient and the sound source is updated in a timely manner. This product is designed for different brands of car models, and is equipped with different connectors based on the interfaces reserved behind the car host. The product uses a wide range of voltage inputs to adapt to different usage environments. Applicable car models, suitable for various rear mounted CD players, such as Alpine, Pioneer, Gele and other navigation devices. The car has an AUX IN Lotus male speaker at the back, which can be plugged into the RCA female speaker to achieve Bluetooth music Bluetooth version:5.0 Product voltage:12V Color:As Shown Material:Tin-Plated Copper Package Contents: 1 * Aux Adapter