User manual

APPEARANCE AND BUTTONS
1. PREVIOUS
On the main menu, short press means the
previous item. When playing music, short
press means the previous song and long
press to fast backward
2. NEXT
On the main menu, short press means the
next item. When playing music, short
press means the next song and long press
to fast forward
3. BACK
Short press means backing to the
previous interface
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