Control Panel:
A. Power switch(turn on/off the speaker)
B. Mode/EQ/MIC Priority/Previous/pause&play/Next song
C. Charging interface (power in direct current 5V 1A)
D. USB/TF Input
E. Microphone Volume control
F. MIC Echo/delay control
G. Bass effect control
H. Treble(high frequency)control
I. Main volume control
J. LED display
K. Aux-in (3.5mm input)
L. MIC input
M. LED ON/OFF(Turn on/off the Light)