14.Control knob echo,volume,microphone volume.
Button Operation Instructions:
1,MODE button:
switch between USB/TF/FM/AUX/Bluetooth/MIC functions in turn.(MIC priority player)
2,Vol- button (last song / volume reduction):
in MP3 state, vol- is short pressed for the last one, long press for volume reduction; in FM state, short press is to increase one stage number; under bluetooth function, short press is bluetooth one, long press is volume reduction;
3,Auto button (play / pause):
in MP3 state, auto is short to play / pause; in FM state, short press is playing / pause, long press is automatic receiving station; in bluetooth function, short press is playing / pause;
Long pressing "TWS" pair another speaker.
4,Vol+ button (next song / volume increase):
in MP3 state, Vol is short pressed for next, long press for volume increase; in FM state, short press is to lower a stage number; under bluetooth function, short press is Bluetooth next song, long press is volume reduction;
5,REC button: