Electronic Remote Control Velvet Heating Insole

Features: Thermal insoles are suitable for outdoor sports enthusiasts, such as skaters, hill-walkers and mountaineers. Three warmup modes to adjust the temperature, one light(low): 6-6.5hours (39-46.2?), two lights(mid): 4.5-5hours (48-55?), three lights(high): 3-4hours (55-62?). Safe and rechargeable built-in lithium-polymer battery, long working time to warm your feet. Safe and environmental material, the insole is breathable and deodorant. The insole can be cut according to your feet, suitable for different styles and sizes of men's and women's shoes.