Battery operated Far infrared heating hat

Specification:
Far infrared heating hat/head warmer
Model:BH805
Size: 22X60~80 CM
Materials:ultra-soft fleece
Heating element: carbon fiber 
Battery: rechargable Lithium battery, 7.4V 2200Amh with charger
Application: head, ear
Technical:

Features:
7.4V battery, Safe and economical.
Use carbon fiber heating element which can provide 8~15um far infrared rays. provides deep penetrating heat to your muscles and skin.
Personalized 4 setting temperature controller.
Non-invasive, drug-free pain relief .
Fast charging time
Made from ultra soft fleece.

Key words:

far infrared heating hat, head warmer, heated hat