✔【Large Heating Area】2020 upgrade Heating Sock has a large heating area, socks built-in heating sheet at the front of the foot. Heating area make of carbon fiber wire instead of alloy heating wire, lock the temperature, also you don’t need to worry about power failure after cleaning, no heat generation, etc..
✔【Intelligent Temperature Control Design 】3 Level temperature setting battery socks 104℉ - 122℉, high heat(50℃/122℉, 3.5-4H hours), medium heat(45℃/113℉, 4.5-5H), and low heat (40℃/104℉, 5.5-6.5H , which make these electric heated socks ideal for keeping your feet warm in winter. Combined with two 2000mAh battery, these heated socks are great for Hunting, Fishing, Camping, Hiking, and working outside.