Heating element: Composite fiber
Heating area: hand, five finger
Material: PU Leather
Color: Black
Size: M, L, XL for option.
Red light High temperature: 50℃~55℃,
Blue light Middle temperature: 45℃~50℃,
Green light Low temperature: 38℃~45℃;
Two options:
Disposable battery
4000mAh Polymer battery