
Winter Foot Warmer -USB Charging Insoles
Material: SiliconeColor: Black Product Information: 1-Even Heating: The whole foot area is hot, evenly heated, soft and comfortable. 2-Long Service Life: 40-55 degrees high temperature heating, high heating temperature and long service life. 3-Free to Cut: Can be cut according to your demand, suitable for all kinds of shoes, 35 yards -44 yards, foot length 230-275mm, cut according to the number of yards you need according to the dotted line. 4-Waterproof Material: It can be washed directly. The materials we use are waterproof. It can be washed directly without affecting the use effect. It needs to be completely dried and used. 5-Promotes Blood Circulation: The heated insole not only protects your feet from damage during the cold winter, but also promotes your blood circulation and has great benefits to your body. Description: 1. How long does the insole heat up? A: This type of heating insole can not save electricity or heat, the insole is to be energized to heat, power off cooling,