App-Controlled: The built-in Bluetooth functionality enables users to easily control heated socks heating levels through a smartphone app, convenient operation Adjustable Temperature Settings: The heated socks offer 3 temperature settings, allowing users to adjust warmth according to their personal needs and environmental conditions Quick Heating and Maximum Battery Life: The heated socks heat up within 30 seconds and can last up to 11 hours on a single charge, these socks provide reliable warmth and comfort in low temperatures, ideal for winter sports, outdoor work, and other cold-weather activities Targeted Surround Heating Design: The heating elements provide surround heating in the toe area and focus on the toes, heated socks delivering warmth where it's most needed in cold conditions Durable, Comfortable, and Washable: Reinforced at the heel and toe for added durability, the elastic material and vertical knitting provide a snug fit for various foot shapes, and the heated socks are designed to be washable for easy maintenance and longevity