App-controlled heated socks - adjustable heat, powerful battery and 360° heat for maximum protection against the cold.rnrnExperience winter activities without frozen feet with these app-controlled heated socks. The unisex design adapts to different foot shapes, making them perfect for everyone. With three smart heat settings, you can easily adjust the temperature via the app or directly on the socks - choose between comfort mode, heat mode or maximum heat.rnrnThe socks have a powerful 7.4V rechargeable battery that provides faster and longer heating than standard batteries. Nanofiber heating wires provide even 360° heat around the entire foot, promoting blood circulation. The cotton and spandex material is breathable, sweat-absorbent and extremely elastic for best comfort. Perfect for skiing, hiking, hunting, snow shoveling and much more - an ideal gift for a warm and active winter!rnrnErgonomic design with app control for easy heat adjustment Perfect for people with poor blood circulation or cold feet Material: Cotton, Spandex, Nanofiber heating wires Size: Unisex (37-48) Temperature setting (comfort): 40℃-45℃-8-10 hours Temperature setting (heat): 50℃-55℃-6-8 hours Temperature setting (Max heat): 55℃-60℃-4-6 hours Battery type: 7.4V Rechargeable battery Up to 10 hours of battery life USB charging cable (included) Washing instructions: Supports hand and machine washing (battery must be removed when washing) 360° even heat for the entire foot Perfect for winter outdoor activities