Bluetooth 5.0 version, high-speed transmission without distortion, the sound quality can reach high-definition standards. Bluetooth car music players with music transmission functions without and are designed for old and current car audio systems, because many consumers find listening to music inconvenient. If there is no car or reserved audio input port, they have to burn discs. In addition, disc audio source updates are slow and inconvenient. For example, some cars are equipped with external audio input ports. To listen to music, you need to pull a long signal cable, which is very inconvenient to drag on the center console. If you use Bluetooth transmission, you can say goodbye to the mess and listen to music. In the era of streaming media, various applications are very convenient and audio sources are updated in a timely manner. This product is designed for different brands of car models. It is equipped with different connectors according to the reserved interface on the back of