• Three adjustable temperature levels: 45 °C, 55 °C, and 65 °C, to suit your needs. • Portable and compact design, ideal for men, women, and girls. Adjustable with velcro to fit all body types. • Easy to use and safe, powered by a 5 V/2 A external battery with USB port. • Made with soft lycra and graphene fabric, providing comfort and rapid heat distribution. • Ideal for keeping the waist, abdomen, and back warm in cold weather. Perfect as a gift for special occasions.