#What does the auxin interface mean?
AUX means auxiliary interface and other interfaces.
N means input.
AUX IN means that there is a port on the stereo that can be connected to the audio output of MP3, MP4 or mobile phone, and played in the car through the CD player. A separate audio cable is required to connect.
If it is an AUXIN hole, you can use a round audio cable to connect to an ordinary MP3 or mobile phone to play music. This is different from the car MP3. The car MP3 is just a transmitter and is received through the radio in the car. The reception is successful. Afterwards, the songs in the car MP3 are emitted from the speakers in the car.
The USB port on the car depends on whether it is part of the car player. If it is a car player, you can directly plug in the USB flash drive to play music. If not, it can only be used to charge your phone.
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