Mitten Heating Systems

Heating element module for the waterproof/winter mitten.  The heating element was to be placed on top of each hand.  Carbon fiber heating element.  Digital temperture controller with 3 heat level LED indicator included.  Thermal-protection IC included.
 
Gloves construction: 
Material: Softshell / Nylon
Waterproof membrane & 3M Thinsulate Insulation
Select power source:
5 Volt USB (power bank) battery (3000B or 5000B)
7 Volt BatteryBattery (25B / 26B / 29B / 30B)