Rollei LUMIS Mini LED RGB Mode D'emploi page 31

Precautions
1. Fully charge the battery, then disconnect 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 extend the battery life, you should charge the battery at least
every three months.
4. This product has a built-in, rechargeable battery that has a specific
run time. If this has been used for a certain period of time, the per-
formance of the battery will be reduced. This is normal.
5. If the device is used in too cold or too hot ambient temperatures,
the device switches off automatically.
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