How to change folder

-Click the MODE transfer to SD Card format.

-Click MENU, it will show "Local folder" at the bottom of the screen.

-Click "Next track" button twice.

-Click MUNE to select "Local folder".

After these steps, you will see all the folders on the screen.

-Click "Next track" button to choose which folder you want and 

 final Click the MUNE to confirm it .

-Click "Next track" to select one song of the folder

-Click the MUNE to play the song and turn back to the main menu screen.

These steps can help you change the folder you want.