How to charge the battery Charging under bright sunshine: Find a sunny place and place your watch in direct sunlight for 3 to 5 days.Most watches can be fully charged.
Charging during windy and rainy weather: If weather is bad,you can place your watch under a desk lamp, turn on the desk lamp,and keep it 5 to 8 centimeters away from the mirror. After continuous illuminate for about 72 hours,it can be fully charged