Winter warm hands treasure charging source three temperature electric warming 3600mah safe explosion-proof mobile power bank

The temperature of the warm hands treasure charging source can be adjusted:

1)Lowtemperature:35-40℃， Use time:6-7 hours， Blue light;

2)Middle temperature:45-50℃， Use time:4-5 hours， Green light;

3)High temperature:55-60℃， Use time:3-4 hours， Red light.