WarmMe battery heated socks keep your feet warm during all kinds of outdoor activities, especially in the cold season. Recommended for lovers of skiing or other outdoor sports, they are the perfect garment for those who are forced, even for work, to spend many hours outdoors in winter. But that s not all. With a sporty and technical look, the WarmMe heated socks are soft and resistant (they are made of cotton and spandex), but not excessively thick and therefore suitable for many types of footwear, they are characterized by an excellent fit, which makes them an everyday garment and not only related to activewear. They can also represent the ideal gift for those who suffer a lot from the cold, staying many hours in a closed environment such as the office or for those who simply want to enjoy the comfort offered by this product at any time of the day. WarmMe heated socks use infrared heating technology and contain carbon fibre heating elements that diffuse heat evenly. The battery, once recharged, is inserted in a small pocket placed in the upper part of the garment at the height of the elastic band and connected to the heated sock through the cable. It can keep the foot area warm for up to 7 hours. WarmMe heated socks are equipped with a button for the selection of the heating power, positioned directly on the battery. Features Infrared heating with carbon fibre heating elements. 3 temperature levels. Slim and removable 7.4V 2200mAh battery (7 hours of autonomy). The socks are equipped on the back with a nylon and polyester protection that increases the resistance. Included in the package 2 thin and removable 7.4V 2200mAh batteries and a battery charger 8.4V 1.5A with double connection 3.5DC.