Features: Experience quick and efficient heating with our electric heated socks, unisex winter warmer socks. Quickly heating up to 70℃, warming your feet, toe ankles, shins and calves in seconds, providing comfortable and warm in the cold winter. Say goodbye to cold feet! USB rechargeable electric heated socks equipped with flipping battery pocket. convenient to wear and remove. Crafted from breathable fiber cloth, soft, high stretchy, comfortable to wear, hand and machine washable. Suit for most women, men, adult. 5000mAh battery, long heating time, low temperature 14-15hour, highly temperature 4-5hour. Breathable high stretchy battery operated heated socks winter foot warmer. Great holiday present for women, men, friend, family on various holiday, such as Christmas, Thanksgiving, Birthday, Anniversary. 4 Gear Temperature Adjustment: First Gear: 37℃-44℃；Second Gear: 45℃-54℃；Third Gear: 55℃-64℃；Fourth Gear: 65℃-70℃. Widely used for outdoor work, or for various outdoor sports, skiing, snowboarding, hiking, bicycling, fishing, cycling, hunting, camping, fishing, mountaineering, walking dog, and other outdoor activity. Specifications: Output Input: 5V/2A Color: Black; Gray Component: Leather Glove Size: Approximately. 34cm/13.39in Weight: Approximately. 250g; 300g Package Includes: Package Option: Package 1: 1Pair of Electric Heated Socks Package 2: 1Pair of Electric Heated Socks with Battery note: Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color