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8 - English
Key name Icon Press to ...
Talk/Play
– Handle phone calls and play music.
– Press and hold to register devices.
NOTE: This key can also turn your BTS150 speaker on and off.
UP
Increase the volume.
BTS150 Back
Main Power
Switch
USB Charge
Port
3.5 mm
Audio In
Use this... To...
Main power switch turn main power on and o.
USB charge port connect your speaker to the AC adapter.