• Heating area: two sides heating   

• Material:  Lycra/scuba/        

• Function:two fingers touch screen,anti-drop button,lightweight and friendly to your skin,washable,warm,breathable,windproof,30 seconds fast heating  

• Temperature:   2-3h 50-60℃; 3-4h 45-50℃;   6-7h 35-45℃                                     

• 4 red indicator light ---power 100%-75%                       

 3 red indicator light--- power 75% -50%                 

 2 red indicator light--power  50% -25%           

 1 red indicator light--power  under 25%,indicator flashs                 

POWER:8.4V 1.5A