EASY TO USE: The headband is adjustable and fits securely on the head, compatible with regular eyeglasses. The visor can be tilted up and down as needed for optimal positioning. COMFORTABLE TO WEAR: Adjust the rear headband switch to achieve a secure and comfortable fit. Side buttons allow height adjustment of the magnifier to suit your preferred viewing angle. Lightweight construction with soft, breathable sponge padding ensures comfort during extended use. 4 INTERCHANGEABLE LENSES: Includes four optical glass lenses with different magnification levels: 1.5X (15-inch focal length), 2.0X (10-inch focal length), 2.5X (7-inch focal length), and 3.5X (6-inch focal length). WIDE APPLICATION: Hands-free magnification suitable for various tasks such as reading, crafting, painting, modeling, sewing, soldering, jewelry making, and other detailed work. WHAT YOU GET: 1 head-mounted magnifier, 4 interchangeable lenses, 4 plastic screws, and 1 user manual. Material: Plastic frame with four optical glass lenses. Product Dimensions: 248 x 200 x 50 mm. Color: Gray. Quantity: 1 piece.