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slowly alternately
Red LED flashes every 8.5
seconds
White LED flashes once every
9.5 seconds
Red LED flashes three times
every minute
Charging
White LED flashes every 2
case
seconds
White LED flashes three times
every two seconds
White LED kept on
9. Factory Reset
When the earbuds are in the pairing mode, five times click the touch button,
and the factory reset when the red light turns on for 1 second. At the same
time, you will hear Four Tone_High Falling prompt after a "dang" tone and
turn off.
Remarks:
After factory reset, the paired list of two earbuds as well as earbuds and
mobile phone will be deleted. The earbud does not automatically
reconnect the mobile phone and the other earbud after turning on.
After factory reset, when the earbud turns on again, it will automatically
enter the TWS pairing mode (red and white lights flash slowly
alternately). Two earbuds will be paired automatically. After TWS
connection, left earbuds will continue to wait for pairing with the mobile
phone (red and white lights flash quickly alternately).
Care and maintenance
Read the following recommendations carefully before using BTH109.
Following these you will be able to enjoy this product for many years.
Keep it dry and don't put it in the dump place to avoid the product's
Unconnected
Connected
Low battery
Low battery
Full battery
Has been charged
Five times click the touch button
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