Modern central control only has one USB, and there is also a leader to charge the USB for the cigarette lighter. As shown below: The leading method of using USB to play songs: First, we start the vehicle, turn on the ignition switch with the car key, step on the clutch pedal or brake pedal, turn the car key, and finally stop for 2 to 3 seconds, and the vehicle will start. Turn on the vehicle display. Every car has an LCD screen. Everyone finds the button to turn on the screen, then presses it with their hands, and the screen turns on. Prepare the USB flash drive and plug it into the connector at the bottom of the screen. Prepare the USB disk where we download the songs, and then you can find a USB interface at the bottom of the car display. Just plug in this interface. After reading the USB, the song will be displayed on the screen: After inserting the USB flash drive, the system will generally read it for a short time, about 5 seconds, and then the songs downloaded from the USB flash drive will appear. Click on the folder in the upper left corner and we can find all the songs in the USB flash drive. Smart song switching: switching songs is very convenient. You can find them at the bottom of the screen with the "Scan" option, and with a tap of your hand, it will switch to the next song. Song settings: Find their "mean" option button at the bottom of the screen, click it with your hand, and the adjustment of the song sound will appear. On this page, we can adjust the sound size and quality. Just click it with your hand. Try it yourself!