The Intelligent Circuit Is Built Into The Socks To Ensure That A Specific Temperature Is Reached. There Is Nothing More Painful Than Freezing Feet While Features: 1. Adjustable Temperature: This heating sock adopts advanced adjustable temperature technology, allowing users to choose the temperature that suits them, keeping their feet warm and comfortable at all times. 2. heating: Equipped with a built-in heating chip, the socks can heat up in just a few seconds, allowing you to enjoy warmth without waiting. 3. Safe and : Made of polyamide fiber material with high strength, toughness, and wear resistance, it is safe and without worrying about potential hazards caused by thermal energy leakage. 4. Comfortable : Adopting ergonomic, it fits closely to the foot shape, providing all-round protection and comfortable support, while greatly reducing foot stress and fatigue. 5. Multiple uses: Not suitable for keeping warm in winter, but also for various such as outdoor sports, work, tourism, etc., bringing you convenience and warmth. : 1*Thermal Socks