24.Please keep this manual for future reference.
-4-
NOTES ON THE CORD PLUG
The product has built-in lithium batteries. Pay attention to the following items:
1.Store and use this product in an environment of 0-40
℃
.
2.If not used for a long time, please charge every three months to prevent battery damage.
3.Charging speed may be slower in the environment below 10
℃
, which is a normal
phenomenon.
4.Please charge the battery in time when the power is insufficient.