- Exceptional foot comfort: Experience ideal foot comfort with our heated foot warmer. Its soft, crystal-like fabric is skin-friendly, breathable, and keeps your feet warm and cozy. - Easy relaxation: Advanced heating technology warms feet quickly and maintains a constant temperature of 55 degrees Celsius for a comfortable, consistent experience. - Safe warmth: Powered by a safe USB supply (5V, 2A); lightweight, portable, and foldable for convenient transport and storage. - Heating safety: Built-in overheating protection with a temperature sensor stops heating automatically if the temperature exceeds the set value. - Use cases: Perfect for curling up on the sofa to read or watch TV, staying at a desk or in a cold office, or during travel or hotel stays with a USB power source (laptop, USB charger, or power bank).