3 Heating Levels SettingThe socks heating area wraps around the entire toes and forefoot, which will stimulate blood circulation and make your feet feel warmer. These heated socks come with 3 temperature settings, the temperature can be controlled with the press of the button. High (Red), Medium (Orange), and Low (Green). You can choose depending on the weather, keeping you warm at any temperature.Rechargeable Batteries & Long Working HoursThe electric socks Include pair of 5V 2200mAH rechargeable lithium polymer batteries, battery lasting for 4-6 hours. A time-saving USB dual charger can charge both two batteries at once. The battery pack is a nice, compact size that won't add bulk around the outside of your calf. Keep Warm All Day.Soft High Quality Warm SocksThis heated socks made from high-quality cotton fiber, function absorbent, breathable, quick-drying and elasticity. Composite fiber heating elements are distributed across the whole top and bottom of forefoot and toes, heat quickly, easily removable and unobtrusive. Heated socks are hand and machine washable, so it is easy to take care of.Outdoor And Indoor SportsThe electric socks are suitable both for men and women. Rechargeable Battery socks great for hunting, skiing, fishing, hiking, walking dogs, snowboarding, shoveling snow, snow removal, riding, cycling, motorcycling, Joggingand and sporting events. Heated socks will be an excellent match for the cold winter.Great GiftUnisex heated socks with Average Size. Perfect Gift for Your Parents and Friends. Electric Rechargeable heated socks can stimulate your feet' blood circulation, Great for people with arthritis, bad circulation, and keep your feet from getting cold. Black long-tube cotton socks can cover the calf, simple, warm and stylish