TENGOO Unisex Electric Heated Boot Insoles - Wireless Remote, 60s Heating, USB Rechargeable, Waterproof, Built-in Batter

Product size SizeEU SizeUSUKFoot Length mm MaleFemaleMaleFemaleS35 383 5 6 55 7 53 5 52 5 5230 250M39 427 9 58 106 8 55 5 8256 276L43 4610 12 510 5 139 128 11 5283 303Specifications BrandTENGOOModelWNIH6Product NameHeated Boot InsolesMaterialPU VelvetBattery3 7V 2000mAhColorBlack RedHeating Time3 5 7hoursCharging TypeUSB ChargingCharge Time3 4HoursVoltage5V 3ARemote ControlLED digital display precision remote controlTemperatureLOW Green Light 40 49℃MID Yellow Light 50 59℃HIGH Red Light 60 65℃SizeS 35 38 M 39 42 L 43 46 Features 1 Wireless Remote and Safety Protection Wireless remote control makes it simple to adjust the temperature and turn them on or off temperatures range from 40°C 104°F to 65°C 149°F built in with a rechargeable 2000mAh battery The heat lasts up to 8 hours on a single charge Built in temperature sensor and control chip the temperature will automatically stop heating until the safe temperature is reached it is safer and the Circuit and battery are protected by a steel case able to carry about 250KG 2 Rapid Heating Made of the latest carbon fiber heating material the heating time is about 10s and the heating area is even While providing heat to the feet it also promotes blood circulation which is a physical therapy for the feet At the same time it effectively relieves the pain of foot diseases 3 Environmentally Friendly PU Material The surface of made of soft velvet material and the bottom is made of environmentally friendly PU m