Polaroid PMP90TM ユーザーズマニュアル

 [

   

] - play / pause music

[] - previous track / rewind (press and HOLD)
[] - next track / fast forward (press and HOLD)
[VOL +] - increase volume
[VOL -] - decrease volume

When a Micro SD card with music is inserted into the memory

card slot, the music will start playing from the SD card first, then 

proceed to play the music on the internal memory.

VOL+

VOL–

Increase volume

Decrease volume

Play / Pause

Next track / 

Fast forward (HOLD)

Previous track /

Rewind (HOLD)