start up, and the left/right earphone will automatically
connect to bluetooth (the last time the device is connected).
9. Restore factory setting: quickly clicking the touch key for
three times in charging state can restore factory setting.
VI. Instructions of earphones indicator:
a. Blue light flashes slowly, no connection.
b. Blue light flashes every 5 seconds, normal connected.
c. Red light flashes, low battery
d. Red and blue lights flashes alternately, in pairing.
VII. Earphone charging
1. Put the left and right earphone into the charging box.
2. Charging state: the earphones indicator "red light" stays
on.
3. Charging is complete: the earphones indicator flashes "blue
light" goes off after a few seconds.
VIII. Charged by charging box
1. Please use the USB cable with output voltage of DC5V/1A to
plug the charging box into the power supply and start charging.
You can use the computer USB port or other USB port charger (it
is necessary to select the charger approved by the official
manufacturer).
2. The red light stays on while charging, the blue light is on
when it is fully charged, and the light goes out after a few
seconds.
3. It takes about 2 hours for the charging case to be fully
charged.
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