1. Power Switch
2. 3.5mm Auxiliary Input
3. TF Card Slot
4. Mode Selection Button
5. Previous Track/Station
6. LED Display
7. Battery Status Indicator
8. Remote Control Receiver
9. Microphone Priority Switch
10. Charging Port (DC 9V)
11. Microphone Input
FRONT PANEL
12. Light Switch
13. Master Volume Tuning Knob
14. USB Port
15. Treble Tuning Knob
16. Pause/Play Button
17. Bass Tuning Knob
18. Next Song/Station
19. Echo Tuning Knob
20. Recording/Playback Button
21. Microphone Volume Tuning Knob
22. Power Input (DC 12V)