Electric Heating Insole Rechargeable 7.4V2200mAhusb Cuttable Heater Winter Heating Outdoor Sports Ski Hunting Work Insole

Safety Certification & Quality Assurance: Our heated insoles are CE/RoHS/FCC/PSE certified to ensure the safety and quality. The high density battery have overcurrent and over-charging safety protection, the battery and circuit protected by the built-in Saigang shell, a single heated insoles can bear at least 441 pounds. Precise Temperature Remote Control with LED Display: Our rechargeable heated insoles with wireless remote control, adopts the latest high-frequency dual-channel RF control technology and temperature memory function, 40-65 ℃ (104-150 ℉) precise temperature adjustable, convenient to view and adjust the temperature of heated insoles according to your needs to keep your foot warm at an ideal temperature in winter. Rapid Heating：WINNA heated insoles adopt latest carbon fiber heating chip, which has high heating efficiency and heat evenly, can heat up quickly in 10 seconds, the carbon fiber flexible heating chip has high strength, can resist bending damage, can radiate infrared rays, and has the effect of keeping feet warm and promoting blood circulation, effectively relieves the pain of foot diseases. High Quality Material: The surface of the heated insoles is made of soft velvet, which is breathable, sweat-absorbent, wear-resistant, and not easy to fade. The bottom of the heated insoles is made of comfortable PU foam material, characterized by shock absorption and air permeability. Waterproof Design: The charging port of heated foot warmer insoles is waterproof and rustproof, and the circuit is isolated by silicone, which can prevent water penetration. Large Capacity Battery: The heated insoles have a built-in 2000mAh rechargeable battery, can work under -20°C-50°C (-4℉-122℉) environment normally, and can be charged for more than 500 times, offer 3.5-7h continuous heating time with full charged batteries.