9. Factory Reset
In the status of charging, long press power button about 5 seconds and
release it until the red and blue LED flashes simultaneously.
Long press about 5 seconds
Remarks:
After factory reset, the paired list of earbuds will be deleted. After turn it on
again, the earbuds will enter pairing mode automatically, and you need to
re-pair and connect with Bluetooth devices.
But factory reset won’t affect connecting with the other earbuds.
Care and maintenance
Read the following recommendations carefully before using BTH109A.
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
internal circuit being affected. Don’t wear the headset when in strong
exercise to
avoid sweat enter.
Keep the product away from direct sunlight or hot places. High
temperatures will shorten the life of electronic devices, destroy the
battery or distort certain plastic parts.
Don’t expose the product to cold areas. It may damage the internal circuit
board.
Don’t try to disassemble the product as it may get damaged if you are not
professional.
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