4 Interchangeable Acrylic Lenses with Excellent Clarity: 1.5X, 2.5X, 3.5X, 5X magnification. The acrylic optical lenses are rated 5H, scratch-resistant, more wear-resistant, and durable. Say goodbye to squinting and enjoy seeing up close with crystal-clear clarity! Bright and Adjustable LCD Light: This magnifying glass provides bright light that can illuminate the detailed surface. It has two adjustable brightness levels: bright light and dim light. You can also adjust the angles for the light's direction. No need to search for a flashlight to enjoy reading comfortably in bed at night! Efficient Rechargeable Battery: With a built-in 300MAH rechargeable lithium-ion battery, this LED head magnifier can be charged in 1 hour to full capacity. So it's always ready when you need it. No more worrying about replacing external batteries. Save money and energy while enjoying long-lasting bright light. No need to buy and insert batteries! Comfortable and Hands-Free: With ergonomic glasses frames and an elastic rubber headband, plus a soft forehead pad, these glasses magnifiers are comfortable to wear, fit better in front of the eyes, and effectively prevent them from falling off. They are also easy to carry, making them an excellent hands-free magnifying tool for long-term work. Please feel free to contact us if you have any problems. Wide Range of Uses: Perfect hands-free magnifying glass for reading and close work such as sewing, needlework, crochet, cross-stitch, painting small figures, diamond painting, tying fishing hooks, clipping animal claws, cleaning dog ears, crossword puzzles, working on small electronics, setting up guitars, and other small detailed crafts and artwork. A perfect gift for anyone who has a hobby/profession that requires looking at projects up close and illuminated.