Item Type: Heating Socks_x000D_ Material: Polyester Cotton Cloth_x000D_ Applicable Yard Number: 36-43 Yard_x000D_ Care Parts: Feet_x000D_ Input Voltage: 5V/1A (This Product Needs to Be Equipped with a Power Bank)_x000D_ Power: 5W_x000D_ Temperature: About 45 1Scope of Application: Very suitable for winter sports, outdoor rock climbing, hiking, hunting, cycling, and suitable for various outdoor sports. 2Warmth: The closet non tactile heating sheet heats evenly, and it is comfortable to wear, warms up and keeps warm, and resists cold waves. 3Comfortable: High quality polyester cotton cloth, elastic and thickened, combined with ergonomic design, water absorption, breathable and quick drying, full of elasticity, comfortable to wear. 4Applicability: This warm socks are specially designed for men and women. They can be washed, bendable, and can be used as foot warmers. 5Gifts: It is also a great gift to mothers, fathers and grandparents, so that you and your loved ones have the opportunity to say goodbye to cold feet.1 x Heating Socks (2 Pcs)Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.