... 2.Turn on the power switch of speak on the charger ,then enter into the console to play music, speaker ... open again. · 3. adjust high-low sound effect by "TREBLE" "BASS" ,LCD screem will appear "T"or "B" ... when press down "TREBLE"or "BASS" ,set for size by "< >",which can ... through audio cable to connect the audio plug on the charger, it will be use as a outer speaker. · ...