Quick GuideEach time you press the button , it will bring you toone of its nine different functions, includingRecordings, Folder, EBook, Pictures, Music, Video,Tools, Set and Calendar. Click ▲ /▼/ / to choosethe function. Click to access to its function.1. Power Button4. The Volume-7. Recording button10. Return13. Card Slot16. Indication light19. USB Port2. Play Button/ Confirm5. Previous song8. Menu button11. A-B/Delete14. Left Microphone17. Display20. Screen Lock Button3. The Volume +6. Next Song9. Stop Button12. Folder Button15. Right Microphone18. Headphone Jack1