3.7V Heated Socks Foot Warmers for Men And Women, Electric Heating Socks, Washable Battery Heated Socks for Winter Skiing Hiking Fishing Riding, Keep Forefoot and Toes Warm，Arthritis FootWarmer

Wide Applications: These heated socks provide powerful warmth and comfort while riding, skiing, hiking, fishing, etc. Great for arthritis foot and chronically cold feet, giving you a warm winter.
Powered by a pair of 3.7V rechargeable Li-ion batteries (contain), the heat energy of the product is 35-55 ℃.
3 Adjustable Heated Levels: 3 levels setting heat controller to adjust your favorite temperature according to different temperature demands.
This battery heated socks use composite fiber heating material, and built-in heating elements covers whole forefoot, which can stimulate the blood circulation, and keep you warm all day.
Heat quickly and you can feel temperature in 30 seconds. Keep your feet warm and healthy in winter.