SAVIOR HEAT Rechargeable Heated Socks 7.4V Li-Polymer Battery Powered Electric Unisex Winter Foot Warmer

Rechargeable Electric Battery Heated socks made with 55%CoolMax，25%elastic，20%spandex material.Absorbent, quick-drying, elastic thickened. Imported heating elements and quality material,Far Infrared Fiber heating elements Layer,Fast heating in 30 seconds，the feet get comfortable and warm. Battery Operated Socks powered by with 7.4V 2200mah rechargeable lithium battery packs，full charge around 3-4 hours，duration 3 - 8hours with 3 heat setting. 3 different heating set ,LED red is for high temperature,white for medium temperature,blue for low temperature.you can easily adjust the temperature. SAVIOR HEAT heated socks are the best choice for Halloween,Thanksgiving,Birthday and other festivals for monther and father