To record sound/voice/speech,
2 modes: Set-Time, Touch-screen
mode 1: Set-Time to record (with stop-time)
Now is 9:00AM, if you have a meeting at 9:30,you want to record the discuss in the meeting. You can set the start recroding time at 9:30. And no one know you are recording.
mode 2: Touch-Screen to record, just click on screen. (click screen=start/stop}...
easy for secret recording: put it in pocket, you can just touch the screen, need not to aim at any button to start secret recording. All in dark...
For non-secret recording, You can set "Need confirmation before start recording". It will then need you to choose start recording button before real recording. this can prevent from wrong starting recording.
3 file format you can choose to record:
1 "MPEG_4" .mp4
2 "3_GPP" .3gp
3 "AMR " .amr
Media Player: you can set play sweeping through the selected directory for all songs in it, with the Play-Repeat-Times for each song.