Features: The Bluetooth main control chip is used to reserve the AUX audio input function through the original car. The car Bluetooth music player has a music transmission function without , for the old and current car audio, because many consumers find that listening to music is very inconvenient. In many old stereos, the original car has reserved an external AUX input function, so the product can open and use the hidden function to support music playback. In the era of streaming media, various applications are quite convenient and the sound source is updated in time. If there is no audio input port, you need to burn the disc and the disc The sound source of the movie is slow to update, which is not convenient.Works via Bluetooth-enabled devices. functional limitation of the car stereo.Allows you to connect an external. With the improvement of wireless technology and the subsequent wireless transmission, the trend of the times, a Bluetooth music product suitable for car use.