Features: 1.Innovative Magnetic Design: This smart hand warmer features a magnetic design, allowing two detachable units to easily attach or be used independently. Its compact size and ideal for outdoor activities like camping and skiing. 2.Longer Lasting Warmth: With an enhanced 5000mAh x2 rechargeable battery capacity and performance, enjoy 5-10 hours of continuous heat, ideal for all-day outdoor activities. 3.Best Warming Experience: 3-level temperature adjustment, 3S quick heating, This electric hand warmer offering a temperature ranging from 40°C to 60°C 4.Ultimate in Ergonomics: Through hundreds of refinements, Just for a comfortable grip.You'll have an awesome grip feel a with velvety smoothness and slim waist in hand. Made to last: Advanced materials and batteries absolute safety and lasts longer and stronger than ever. This handwarmer make an excellent gift for golfers, campers, hunters, hikers, and other outdoor enthusiasts. Simple Operation: Easily activate rapid heating by