1. 4 interchangeable lenses: 4 replaceable/interconvertible magnification lenses with options of 1.5x, 2x, 2.5x, and 3.5x. It allows viewing work pieces or enlarged text up to 350% of their original size with clarity. 2. Comfortable to wear: Features an adjustable headband for a more comfortable fit, which can be adjusted according to the head. Lightweight material and soft breathable sponge inside contribute to comfort during use. 3. Simultaneous use: The visor can be tilted up and down as needed and moved aside when not in use. Two handles on each side enable adjusting the height of the magnifier to achieve the required viewing angle. Its durable lens construction and sturdy frame make it portable for on-the-go use. 4. Wide application: This magnifier can meet various needs. As a head-mounted magnifier, it is suitable for activities such as jewelry work, reading, painting, repair, sewing, welding, jewelry making, embroidery, artistic crafts, and other hobbies. 5. A suitable gift: It is a good gift choice for the elderly or those who need it for observation and repair tasks.