General description Perfect and optimized for various tasks, these hands-free magnifying glasses are designed to enhance your reading, jewelry making, sewing, and DIY projects. Featuring a USB charging design, they offer a comfortable user experience. Technical specifications Magnification options: 1.5X, 2.5X, 3.5X, 5X Focal lengths: 330mm, 200mm, 142mm, 100mm Lens material: 5H grade scratch-resistant, lightweight, and durable Usage Ideal for close-up work in jewelry, electrician tasks, watch repair, crafts, beauty, painting, and general reading aids Suitable for the elderly and anyone needing assistance with detailed tasks Other information Includes 2 adjustable ultra-bright energy-saving LED lights Adjustable illumination angle for precise lighting of the object surface Ergonomic glasses bracket design for a secure fit, preventing them from falling off