Using Bluetooth master chip, Bluetooth 5.0 version, high-speed transmission without distortion, sound quality up to high-definition standards. The car Bluetooth music player has wireless music transmission function and is aimed at the old and current car stereos. Many consumers find that listening to music is very troublesome. If there is no reserved audio input port in the car, you need to burn the disc. In addition, the audio source of the disc is slow to update, which is inconvenient. For example, some cars have been equipped with external audio input ports to listen to music and need to pull a long signal cable, which is very inconvenient to drag it to the center console. If you use Bluetooth transmission, you can say goodbye to messy, and you can also online. In the streaming media era, various online APPs are quite convenient, and the audio source is updated in time. This product is aimed at different of models, and is equipped with different connectors and plugs according to the reserved interface behind the original car host. The product uses a wide range of voltage input to adapt to different use environments. Product voltage: 5-12V 1. The product supports efficient music transmission, version 5.0, compatible with the following versions 2. If the call comes, you can answer the call with clear sound. Material:plastic colour:black Package Contents: 1 * Bluetooth AUX cable adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.