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 for convenience, they come equipped with adjustable LED lights for better visibility. 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 Compatibility and accessories Includes 4 detachable lenses Installation Ergonomic glasses bracket design for a secure fit Usage Ideal for close-up work in jewelry, electrician tasks, watch repair, crafts, beauty, painting, and general reading aids Suitable for the elderly