See also:

Open source license
This product uses the following open source software. · T-Kernel This Product uses the Source Code of T-Kernel under T-License granted by the T-Engine Forum (www.t-engine.org). · C Library ...

Repeat play
 - Repeating a file Press the 2 (RPT) button. To cancel, press the 2 (RPT) button again.  - Repeating all the files in a folder Press and hold the 2 (RPT) button until you hear a beep. ...

Switching the display
Press the “TEXT” button. Each time the button is pressed, the display changes in the following order: Elapsed time → Album title → Track title → Artist name ...