Features: Experience versatile warmth with the magnetic hands warmers, featuring a split designs for individual or combined use, rapid 3 second heating, and 3 adjustable temperature setting for personalize comfortable. Double 3000mAh batteries deliver 6 8 hours of continuous heat per charging, enhanced by ABS construction and LED indicators showing battery heat modes through color coded displays. Designed for outdoor activity, commuters, office professional, and Raynaud's sufferers needing portable thermal relief during extended exposure to cold environment. Maintain hands during dog walks, hiking trip, winter sports, or desk work – its magnetic attachment stays secure in pockets while providing balanced heat distribution. Safety meets portability, making this electric hands warmers pair accessory for temperature sensitive tasks and frosty outdoor escapades. Specifications: Materials: ABS Current: 3000mAh Size: 9.9x3.24x3.6cm/3.9x1.28x1.42inch Package Includes: 1pc Hands Warmers note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.