Description: 1. Provide Warmth: Electrically heated socks provide excellent foot warming performance to provide constant and constant heat in harsh cold weather, keeping your feet comfortable and warm at all times. It is especially helpful for those who are cold in winter or outdoors. 2. Adjust Temperature Function: Most electric socks have a built-in regulator, and users can adjust to the ideal temperature they want to adapt to different environments and personal needs. 3. Easy Charging: Electric socks are all designed with USB charging and come with a reusable battery that provides hours of continuous heating. This way of charging is convenient and fast. Product material:cotton Product color: black Product size: 23CM Product List: Electric socks Notes: Please allow slight dimension difference due to different manual measurement. Please note that slight color difference should be acceptable due to the light and screen.