Other

There is no beep sound when the player is operated.
The player gets warm.
The date and time have been reset.
Noise is generated when plugging or unplugging the headphones.
Cannot add audio podcasts or voice recordings to a bookmark list.
The slide show is not displayed as the screensaver.
The alarm does not go off.
The alarm is delayed
The sleep timer does not work.
The sleep timer is delayed.
The preset alarm sound is produced instead of the selected alarm song.
Cannot adjust the playback speed.
Cannot suppress the vocal of the song.