Self-heating Smart Shoe Insoles

Shoe insoles that heat up on their own? These Smart Shoe Insoles are perfect for anyone who struggles with cold feet. No more USB cords or batteries are required - these insoles use cutting-edge technology to generate and maintain heat. They're also super comfortable, thanks to the gel padding and contoured design. Whether you're hitting the gym or just taking a leisurely walk, these insoles keep your feet cozy all day.

Specifications:
Size: Male model (40-44) 25*8.5*6.2cm, female model (35-39) 23*7.8*5.8cm
Male size : 9.84*3.35*2.44*in / Female size: 9.06*3.07*2.28*in
Item Type: Insoles
Heating range: 21.5cm x 6cm / 8.46* x 2.36*in
Feature: Thermal
Feature: Breathable
Feature: Hard-Wearing 
Feature: Anti-Slippery
Average temperature: 53 degrees

What's in The Box:
1x Self-heating Smart Shoe Insoles