4 Interchangeable Lenses: 4 replaceable/interconvertible magnification lenses 1.5X 2X 2.5X 3.5X. View your work pieces or text magnified up to 350% of its original size with great clarity. Comfortable to Wear: Adjustable headband for more comfortable and snug head wear. Lightweight material and soft breathable sponge inside make you feel comfortable during operation. Simultaneous Use: The visor can be tilted up and down as needed and moved out of the way when not needed. Two handles on each side can adjust the height of the magnifying glass to meet the required viewing angle. Our durable lens construction and sturdy frame allow you to carry it with you when you are on the go. Wide Application: The magnifying glass can meet your needs for many uses. Head Mount Magnifying Glass. Perfect for jewelry work, reading, painting, repairing, sewing, soldering, jewelry making, embroidery, arts and crafts and other hobbies. A Suitable Gift: For the elderly or those who need observation and