Fashionable high-grade heating warm socks, technology, environmental protection heating, rapid heating, thick and comfortable, three-speed temperature control, large capacity battery, elastic battery, ring heating, high-quality workmanship, four energy lifting functions. Two kinds of batteries are replaceable, three-speed intelligent temperature control, low speed: about 45 degrees, low temperature mode indicator light up, medium range about 55 degrees, medium temperature mode, double indicator light on, high combustion about 65 degrees, high temperature mode indicator light up three points. Press and hold for 2-3 seconds to turn on, and short press the switchgear to meet the requirements of different groups of people