1.
Built-in Microphone
2.
USB Jack
3.
Microphone Jack (Line in)
4.
Earphone Jack
5.
Power On/Off
6.
Play/Pause
7.
Record/Play Indicator
8.
Previous Track/Fast Backward
9.
Display
10. Stop Button,File Folder Switch Button
11. Video Button
12. Volume Up,Menu Selection
13. Next Track/Fast Forward
14. Menu Button
15. Volume Down, Menu Selection
16. Delete
17. Voice Record Button
18. Hold
19. Speaker
20. TF Card Port
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