Feature:1. Heated insole: The heated insole on the sole of the foot provides even foot heat, soft and comfortable.2, long life: 40-55 degrees Celsius temperature heating, long life.3. Free switching: according to the needs, it is suitable for cutting various shoes.4. Waterproof material: wash directly. The material we use is waterproof, so it will not affect the effect of direct flushing. Requires use completely dry.5. Wide range of functions: heating the cold insoles in winter can not only protect the feet from injury, but also promote blood circulation, which is of great benefit to the body.Specification:Name: heating thermal insoleConditions: NewMaterial: 95% cotton + 5% spandex, carbon fiber strandNotes:The product does not contain mobile powerAlways need to move the power supply to the heat (recommended 5V2A mobile power)Package Includes:1 Pair Heated InsolesPrecautions for use:1. Please unplug the power supply when not in use to avoid prolonged heating.2. The elderly and children need to use under supervision.3. It is strictly forbidden to wear electric shoes for strenuous exercise to protect the heating chip.At last:1. Due to the difference of light and screen, the color of the product may be slightly different from the picture.2. Due to manual measurement, please allow an error of 2-5 cm.We will use the best products and services to help you.We hope that every customer will be happy every day ^ _ ^