Product Title: Comfortable Custom Heated Shoe Insole
M,L, XL, 2XL,3XL,4XL
2 Front chests and upper back
7.4v 5000mah Lithium-polymer battery
40-60 °C (104 -140 °F )
Hi, Medium, Low 3 Setting
About 6-8 hours
This heat-insole adopts high efficiency carbon fiber heating materials, large-capacity & low temperature resistant batteries, brand-new circuit designs, and high strength protective circuit housing shell. The insole is molded by a brand new process.
One-on-one remote control; three heating settings(H,M,L)
Latest high-efficiency carbon fiber heating material; Far infrared radiations can promote blood circulation, health caring
Safe high-density lithium polymer batteries, adaptable at even -40c,-40c
Circuit and battery are protected by a steel shell, which can withstand a pressure of 300KG
Convenient to operate, warm to wear, and long to use, etc.