Adjustable temperature level: According to the temperature of different scenes, the temperature can be adjusted anytime and anywhere.Spiral heating: The innovative spiral heating makes the soles of the feet feel warm.Not easy to deform, machine wash, hand wash and dry cleaning (requires removing the battery).Comfortable foot feeling: Adopting implantation process, sole, main heating surface and auxiliary heating area, the difference is 5 degrees, does not affect the elasticity, and the foot feels more comfortable.It is an ideal choice for gifts to family and friends.Name: electric heating socksMaterial: anti-flockColor: A, B 2 colors are availableVoltage: 3.7VTemperature: 40℃50℃60℃Battery capacity: 4500 mAhPacking list:1 pair of electric socksBattery * 2USB cable * 1Heated Socks is made from high-quality cotton fiber, functions as absorbent, breathable, quick-drying and elasticity.