3 High-Clarity Interchangeable Lenses: Offering 1.5X, 2X, and 2.5X magnification, with a dual-slot lens design allowing combinations for 3.5X, 4X, and 4.5X magnification. The front lens can be flipped up when not using a combined lens. Acrylic lenses feature 5H anti-scratch rating for enhanced durability and longevity. Say goodbye to strabismus and enjoy close-up vision with crystal clarity! 2 Adjustable LED Lights: This magnifying glass provides bright illumination for detailed surfaces. It features two adjustable brightness levels: strong and soft light. You can also adjust the light angles for directional illumination. Enjoy reading comfortably in bed at night without needing a flashlight! USB Rechargeable Battery: Equipped with a 300mAh rechargeable lithium battery, this LED magnifying glass charges in 1 hour for a full battery. It's always ready when you need it, eliminating the need to replace external batteries and saving you money and energy. Comfortable and Hands-Free: Designed with an ergonomic eyeglass holder and a soft rubber bridge, this eyeglass magnifier is comfortable to wear. The anti-slip feature ensures a secure fit in front of your eyes, preventing it from falling off. It's also lightweight and easy to carry, making it an excellent hands-free magnification tool for extended use. Wide Range of Applications: This hands-free magnifier is perfect for reading and close-up tasks such as tailoring, sewing, crocheting, cross-stitching, painting small figures, diamond painting, tying fishing hooks, trimming pet nails, cleaning dog ears, crossword puzzles, working on small electronic devices, guitar setup, and other small crafts and artwork.