Electric Heated Insoles Shoe Mat Thermal Foot Care Warmer

Specifications: Brand: WARMSPACE Battery Voltage: 3.7V Battery Capacity: 3800mAh Li-ion Battery Charge time: about 3 hours Keep Warming Time: 7-14 Hours Heating constant temperature: about 45 degrees Heating Materials: Imported Nano-PET heating film Outer Materials: EVA environment protection layer+ Cotton+Velvet Maximum output power: 12W Charge input: 4.3V 0.5A Color: Gray Size: 36-46 yard free cutting Features: - Washable and safe. - Suitable for your shose in cold winter. - Velvet surface, sweat absorbed and deodorant. - 7-14 hours for feet keep about 45 degree warm. - Third gear temperature adjustment, adjust to the appropriate temperature as needed. - Using energy-efficient heating chip, energy saving and efficient, warm for time longer. - 36-46 yard free cutting,. according to the size table on the insoles, cut the size for their own. Packaged included: 1 Pair Heated Insoles 2 x Ankle Guard 1 x USB Charging Cable 1 x Charger 2 x Battery