Electric Hand Warmer wholesale china

Electric Hand Warmer with Double Temperature Controller and 5 to 8 Minutes Recharging Time
Double-security:
A double temperature controller is incorporated to realize double-security so that users can rest assured during using
When temperature reaches about 6049840C, it will automatically switch off
In case of either a temperature controller broken, the other expansion controller will begin to operate
If temperature controller does not work and the temperature is up to 9049840C, the expansion controller will start to expand and break both electrodes so as to shut off the power supply
As the external material is double-layer and high elasticity imported PVC, it can not only guarantee enough space for expansion during charging, but also will prolong the period for heat preservation
Quickly recharge: only five to eight minutes to recharge
Prolonged using time: one charge can support hand warming for 3 hours and keep warming for 12 hours
The product has been enveloped firmly along the circumference so that it can maintain its appearance intact and will not be worn or broken even after being used for a long time
An indicator lamp can guarantee safety