When the watch cannot be charged, make sure that:
1. The metal charging port on the back of the watch is correctly aligned with the metal contact of the charging base and has good contact.
2. Check whether the metal charging port on the back of the watch and the metal contact of the charging base are dirty or water stained.
3. Confirm that the metal contact of the charging base is intact.
4, please keep the watch temperature is not too high, otherwise it may cause abnormal battery charging or no charging phenomenon. Please keep the watch away from the heat source and put it in a ventilated place. After the temperature of the watch decreases, try charging it again.