Description：[Heating Socks] our rechargeable heating socks are equipped with two 4000 mAh Li-polymer batteries that can provide you with heat for up to 4-8 hours.[Soft, Comfortable and Durable] the heated socks are made of safety material. The breathable, quick-drying, specially developed flame retardant cotton makes you feel safer during use. More importantly, the far infrared heating elements of the heated socks can stimulate blood circulation.[3 Temperature Adjustable] battery heated socks with 3 temperature setting function, contains high temperature (149°F, 5-6 hours), medium temperature (131°F, 7-8 hours) and low temperature (113°F, 10-12 hours). You can adjust the heat you need depending on the hot and cold conditions.[One Size Fits All].
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