1. DC Power Input
2. MIC 1
3. MIC 2
4. MIC Volume
5. ECHO Control
6. Display Screen
7. Bass
8. Treble
9. Line in
10.USB card slot
11. TF(SD) card slot
12. OFF/VOL-
13. ON/VOL+
14. Mode
15. Repeat /Light On/OFF
16. Mic VIP
17.
Previous song
18.
Play/Pause
19. Next song
General Function Description
1. Master volume knob: Control Master Volume
2. Treble Volume knob
：
Adjust Treble Volume
3. ECHO Volume knob: Adjust Echo sound
4. Mic Volume knob
：
Adjust Microphone Volume
5. Mode Button
：
change to other “Mode” when operating BT-USB-TF-FM-AUX IN
MP3 Function Description:
1. USB Flash Drive: Insert USB flash drive automatically plays existing MPS, WMA, WAV, music format.
2. TF (SD) card
：
insert TF (SD) card automatically play existing MPS WMA WAV songs music format.
3. Play/Pause Key: Press one time to pause music press again to continue playing music.
4. Previous and next song
：
short press for previous and next song
；
5. Repeat button:
Short press to repeat the song one time, press again to repeat all.
