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Precautions
1. Fully charge the battery and then remove the USB cable.
2. If the product has not been used for a long period of time, charge
the battery before using it again.
3. To prolong battery life, charge the battery at least every three
months.
4. This product has a rechargeable battery that has a certain runtime.
When it has been used for a certain period of time, the performance
of the battery will be reduced. This is perfectly normal.
5. If the product is used in an environment that is too cold or too hot,
the product will automatically turn off.
6. Please have the product checked by an authorised service centre if
a problem occurs. You are not allowed to disassemble the product
in case of malfunction. Otherwise, your warranty will be voided.
Warning and Safety Instructions