Power On/Off Press and hold
AUX IN
USB (Charging)
1) Blinking of Play/Pause: Charging
2) Solid of Play/Pause: Charging cycle done
Reset Use a pin to reset the system
Use the included audio cable to connect the audio output
of your device to the Line In input on the speaker.
Use the included USB adapter to connect to the USB on
the speaker. Charging status indicator on Play/Pause key:
Play/Pause
Blinking: Indicate low battery
Volume Up/Down
Press and hold to start searching Bluetooth source
1.) Blinking: Speaker attempting to connect to a paired device.
2.) Solid: Speaker connected to paired device.
3.) If unable to connect within five minutes, Bluetooth stop
searching for source
1) Press to answer/end calls.
2) Blinking: Indicate unanswered calls.
Cannot see the buttons in the dark?
Night Vision: Press Power ( )
Afraid of mis-touching the buttons while carrying the speakers?
Lock/Unlock the touch panel:
1) Press and hold the Play/Pause ( ) until all the
buttons on touch panel blink twice
2) Under Lock: Press any button on the touch panel, all the
buttons blink twice and disabled functions.
Suggestion: Despite BS77 is IPX7-RATED Waterproof, the sensibility of
the touch panel will be better induced in dry condition. We recommend
you to wipe off water droplet(s) from the touch panel before usage.