You only need a player for Android, usually Kugou will be enough, you can find all the mainstream songs. There is no need to give up on anything else. Just download the songs to a USB flash drive and insert it into the USB to play. However, some song formats are not supported, and the MP4 format is generally supported.

So in theory, the sound quality of all players should be exactly the same, and there is no music player with the best sound quality. Some music players will add DSP plug-ins based on the decoder to convert and distort the original music.

In order to cater to people's preferences, it is called optimizing the sound quality to obtain natural sounds, but in essence it destroys the original music. Although it can make some music better, it also causes the sound quality of other music to be greatly reduced.

Extended information:

The computer control center is authorized and established by the motor vehicle management department. It is responsible for observing the dynamics and traffic conditions of designated monitored cars within its jurisdiction at any time. Therefore, the entire car The navigation system has at least two major functions:

One is the car trace monitoring function. As long as the encoded GPS receiving device is installed on the car, the car can monitor the car through the electronic control center of the computer no matter where it travels. The map indicates its location;

The other is the driving guide function. Car owners can store electronic maps of traffic routes in various areas on a floppy disk. As long as the floppy disk is inserted into the car receiving device, the display will It will immediately display the traffic status of the area where the car is located. It can not only input the destination and pre-program the best driving route, but also accept instructions from the computer control center to select the route and direction of the car.

Baidu Encyclopedia-Car Navigation