Electric Heated Sock Rechargeable Battery 3.7V 2X4000mAh Foot Warm Winter

Feature:

• [Upgraded Heating Instep and Sole of the Feet]: This heated sock has been upgraded to a carbon fiber heating system.  The heating element safely and comfortably provides the warmth of the entire foot, including the sole of the foot and instep.  And the advanced heating element makes the heated socks heat up quickly in a few seconds!

• [Comfortable and Durable]: This heating sock is made of 80% cotton, 12% polyester and 8% stretch fiber.  The material is sweat-absorbing, breathable, quick-drying, elastic, thick and super soft.  The heel and toe parts are thickened, and the embedded heating element helps to concentrate the heat on the feet, giving you a warm winter!

• [Longer Battery and 3 Heating Options]: The winter warm heating socks are powered by a 3.7V 4000mAh rechargeable lithium-ion battery.  It only takes 3-4 hours of charging to bring 2.5-6 hours of warmth.  At the same time, the heating socks have 3 heating settings, low temperature, medium temperature, and high temperature, which can effectively keep your feet warm.  It is very suitable for people with arthritis or long-term cold feet.

• [Size for Everyone]: This heated socks are the best choice for men and women in winter.  There are two sizes, medium size and large size.  At the same time, the warm socks are made of elastic fiber, soft and comfortable, suitable for most people's feet!

Specification: