Features: 1. Adjustable: The heated socks come with three temperature settings that you can choose from according to your preference to keep your feet nice and toasty. 2. Safety and Protect Your Feet: Heating elements of the battery heated socks made of insulated material no worries about heating safty. 3. Material: Enjoy keeping your feet warm and cozy without having to worry about itchy material or bulky batteries. 4. Have Fun: With these electric thermal socks you can cycling camping skiing or snowboard all you want without freezing. 5. After-service: If you have any questions after receiving the product please feel free to contact us and we will provide you with a satisfactory answer. Specification: Material:Cashmere Color: Blue/red Weight: 99.2g Size: 28*23cm Temperature: 40-50 Battery Capacity: 5000mAh includes: 1 pair of * Socks(include battery)