1.SD (SD input jack)
2.USB (USB input jack)
3.LED (Digital display)
4.Guitar (guitar input jack)
5.MIC (MIC input jack)
6.Power (control the power of
the whole machine on or off)
7.Power LED (battery charge,
red indicator light;the battery
is full of electricity and the
indicator is green)
8.Treble (adjust the MIC treble)
9.M.Bass (adjust the MIC bass)
10.M.Delay
(adjust the MIC delay)
11.M.ECHO (adjust the MIC echo)
12.GT.VOL
(adjust the guitar volume)
13.AUDIO IN (AUX input)
14.Charge LED
15.SW (Superbass modulation)
16.INPUT (The input selection)
17.REPEAT
(Single Song repeat/ All Repeat)
18.REC/REPLAY(The recording
function is used only when it is
connected with MIC)
19.DC 15V/2A (DC 15V input jack)
20.PREV (Mp3 previous button or
FM scan down button)
21.PALY/PAUSE
(Mp3 play/pause button)
(when in the bluetooth mode,
if you do not need to use the
current connected bluetooth
device,long press this button
to disconnect.)
22.NEXT (Mp3 next button or
FM scan up button)
23.MIC VOLUME
(Adjust MIC volume knob)
24.MUSIC EQ (Five tones)
25.MUSIC VOLUME
(Adjust music volume knob)