Playing MP3 Files:
In MP3 mode, press the select button up or down to select the MP3 files that you want to play, then press the ok button. At this time, you will see the time length and the baud rate of current MP3 file. To play MP3 song selected, press the shutter button.
Volume, Bass, Treble Adjust:
When playing MP3 files, press the up or down button of the
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