If the host has AUX jack but no audio input port, you need to buy an audio conversion cable and plug it into the headphone jack of MP3 or other equipment to realize the connection. If the original car does not have AUX, the owner can install AUX or USB flash drive by modifying the sound system. However, this requires a high level of technology, and it is best to refit it in a mature car audio refit shop.

there are four modes of vehicle central control input. The first is Bluetooth, the second is USB flash drive, the third is CD-ROM, and the fourth is mobile phone connection. Either way, you can play songs and videos, and you can also answer the phone through Bluetooth, which provides safety for vehicle driving.

Installation steps of U disk in car:

1. First, download your favorite music files with software like Cool Dog and Netease Cloud Music.

2. Then put the music file on the car USB flash drive, but be careful not to put it in a deep place, preferably in the root directory of the USB flash drive to prevent the system from scanning out the music file.

3. finally, just plug the USB flash drive into the USB interface of the car, and then the car system will automatically scan the files in the USB flash drive.