Proton X50 2023 - Music; Media

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Music
Click [Music] to play songs in the USB flash drive or the Bluetooth music (Bluetooth
connection required).
Media
Click [Media] to view the currently playing music.
[ ]: select sound effect;
[
]: change play mode;
[
]: open the list;
[
]: show lyrics or not.
Multimedia system(typeⅠ)