smart4u SH55M Guide De Démarrage Rapide page 7

Power Off
" □ " function button
Press and hold the " □ " function
button for 3 seconds.
Charging
USB port
To charge
Plug the USB charging cable into
the USB port on the helmet. The
tail charging light is illuminated in
red, indicating that the helmet is
being charged.
You will hear "POWER OFF".
helmets without Bluetooth speakers
could not hear such voice prompts.)
0.5A
Red light
Charging time
It is recommended that the power
of the charger is no less than 0.5A.
Charging time takes about 3hours.
"POWER OFF"
(The
3 HRS
The tail light will flash once in
orange indicating the helmet is
POWERED OFF.
Charging complete
When the charging indicator light
turns off, it indicates that charging
is complete.
Orange
light
7