1. This heating insole is designed with a mesh surface, breathable and sweat-absorbent, fits the foot, and is easy to use without leggings.
2. Built-in lithium battery, carbon fiber material heats up, it can be heated continuously for 4-8 hours, the warmth is very good, even if it is minus ten degrees, it will not feel cold.
3. Three levels of adjustable temperature: low-grade 40℃, medium-grade 50℃, high-grade 55℃, to meet the needs of different groups of people.
4. It can improve the coldness of the feet, effectively stimulate the blood circulation of the feet, and help you resist the cold weather.
5. It is suitable for outdoor working people, elderly people, people who are cold and afraid of cold, and people who like to do outdoor sports or travel in winter.