This heated underwear set is made with electric heating sheet and comfortable fabric provide superior warmth retention. This heating underwear helps to improve blood circulation, enhance metabolism, reduce muscle stiffness etc. A perfect present for your elders, lover or friends in this winter. Features: Made of super soft and skin-touch fabric, slim fit design for minimizing heat loss and maximizing comfort. 24 heating pads in total generate heat across core body areas to keep you warm. 5-level adjustable heating settings with convenient APP control. USB port in the pocket works with the included power bank conveniently. Help to promote blood circulation, enhance metabolism, and reduce muscle stiffness. A perfect Thanksgiving and Christmas gift for your elders, lover or friends. Great for skiing, running, cycling, mountaineering, hiking and other outdoor activities. Hand wash or machine wash, with water temperature below 30degree Celsius, no bleach. Specifications: Material: Polyester + Spandex Size: M / L / XL / 2XL / 3XL (optional) Temperature Mode: 40degree Celsius (Green) - 45degree Celsius(Blue) - 50degree Celsius(Purple) - 55degree Celsius (Yellow) - 60degree Celsius(Red) Package List: 1 * Heated Shirt 1 * Heated Pants 2 * Power Bank 1 * User Manual