[Warm Insole]-- This rechargeable heated Insole for both men and women is designed to keep your feet warm in the cold outdoors. Made from comfortable EVA foam soles and velvet uppers, our heated insoles are ideal for ski adventures, outdoor work, hunting, fishing, running, biking, hiking and more. It can be used by both men and women. [3 Levels Adjustment]-- The rechargeable heating insole includes a wireless remote control, which allows it to simply adjust the temperature and turn it on or off. Three heating Settings range from 40C to 55C. [Use in Any Shoe or Boot]-- This electric insole is ergonomically designed with an extra comfortable cushioned heel that can be easily fitted to hunting boots, ski boots, running shoes or anything else that happens to your feet. Feet need good air permeability for comfort and health. The heating insole has vents throughout the insole and you can tailor the heating insole to your size. [Safety Protection System]-- The built-in temperature sensor and safety control chip of the heating foot warmers will automatically stop heating when the temperature reaches the safe temperature, so as to avoid burns to your feet caused by excessive temperature. The circuit and battery are protected by special plastic shell. Package Included: 2x insole 1x remote control 1x data cableProducts from He Wei's store