Battery powered far infrared heating belt

Specification:
Battery powered far infrared heating belt
Model:BH802
Size: 103X11CM
Materials: OK fabric
Heating element: carbon fiber
Battery: rechargable Lithium battery, 7.4V 2200Amh with charger
Application: Waist,

Technical:

Features:
Includes a powerful 7.4v 2200mAh lithium battery and charger,Safe and economical.
Battery features built-in four-level thermo regulating controls.
Use carbon fiber heating element which can provide 8~1