1. Three Heating modes: HI /MED /LOW, RF radio frequency control, wireless heating insoles;
2. Built-in Lithium polymer Battery, battery capacity of heating insoles is1800mAh;
3. Keep warm and tosty in cold winter and even challenging weather like on Everest Mountain;
4. Long working time and Long lifespan, heat up 1 day long by proper use, battery can be charged over 300 times;
5. Therapy function, far infrared radiations of carbon fiber heating elements are good for blood circulation of human body;
6. Cut-to-fit heating insoles: suitable for different styles and different sizes of men shoes and women shoes;
7. Material safe and eco-friendly, our heating insoles are water-proof, breathable, and deodorant;
8. CE, RoHS, GS, UL, PSE approved, all our heating insoles come with 12 months' warranties.