?Cut To Fit Size & Quality Assurance?Adjustable to your shoe size, trim the soles for the perfect fit following the size guide. If you have any questions please feel free to contact us, we will respond within 24 hours and provide you with the best solution! Please rest assured to BUY!. ?Big Battery Capacity?The battery capacity is 2000mA, it can be charged 500 times and used for 4-8 hours. After safe inspection, high-density lithium polymer batteries that can be used even at -20 °C can be safely used and obtained official safety certification. ?Temperature Adjustable?The heated insole has a working time of 4-8 hours, temperatures range from 40°C/104°F to 65°C/149°F, the heated insole is operated by a wireless LED display remote control, and the heating insole temperature is set to the temperature that best suits the human foot. ?Safety Protection?Built-in temperature sensor and control chip, the temperature will automatically stop heating until the safe temperature is reached, it is safer, the Circuit and battery are protected by a steel case, and can carry about 250KG. ?Fast Heating?The black heated insoles are made of the latest carbon fiber heating material, 5 seconds warming, upgrade to 5th generation chip for faster heating and longer lasting heating time, soft velvet upper, suitable for indoor and outdoor, motorcycle, skiing, fishing, travel, camping, cycling, winter cold weather, outdoor sports essential products.

Best Sellers Rank: See Top 100 in Health & Household. Recommended Uses For Product: Indoor,Outdoor. Material: Carbon Fiber,Velvet. Use for: Ball of Foot. Color: Red. Brand: winna. : B0BBT69P38. Manufacturer: winna. Date First Available: August 26, 2022. Batteries: 2 Lithium Polymer batteries required. (included). Package Dimensions: 13.19 x 4.76 x 2.05 inches; 15.2 Ounces.