Fabric/Material:
Nylon & fleece inner shell
A four-finger shape heating pad,
Battery box
HeatSupport Advantages:
1. 3.7V 2800mAh re geable Li-ion battery & its charger
2. External power switch and LED power indicator
3. Heating elements are spread over the tips of the fingers and are on the backs of the hands (as wind chill usually does not affect the palms)
4. Advanced carbon heating elements, prolong the battery service life and improve performance.