Avoid cold feet in cold weather! High-quality heated insoles with far infrared heat that ensure warm feet no matter how cold it is. With a special rubber heating element that has a 18 cm long heating surface, your feet are heated evenly and deeply from heel to toe. Mobile use! Works with 3 levels of heat regulator Various application areas: all kinds of winter sports (skiing, snowboarding and etc.), work in the cold room or outdoors in cold weather for police and army operations, rescue personnel and others, outdoor cycling, cold in the house and much more Product name: Heated insole - remote control Product color: black Product gross weight: 361g Product parameters 1. Parameters Charging voltage: 5V1A Charging current: 400mA 7.4WH 2. Discharge current: high quality: 4.2V 547mA 3.85V 505mA. 3. Working voltage: 3.85V/4.2V. 4. Accessories: 1 drag 2 charging cable+ remote control + English manual + a pair of insoles 5. Battery and control module, battery: 2100mAh. 6. Heating cloth: 10