EASY TO USE: the headband is adjustable and easily fits your head and even over your regular glasses. The visor is adjustable and can be tilted up and down as needed COMFORTABLE TO WEAR: You can adjust the switch on the back of the headband to a suitable size to wear. Two buttons on both sides can adjust the height of the magnifying glass to meet your demand viewing angle. Lightweight material and soft, breathable sponge inside will make you feel comfortable when using 4 INTERCHANGEABLE LENSES: The headband magnifier with 4 interchangeable lenses, 1.5X at 15" focal length, 2.0X 10", 2.5X 7" and 3.5X 6" WIDE APPLICATION: Multi-power hands-free combo magnifications can meet your needs for different uses: reading, painting, observing, modeling, repairing, sewing, soldering, jewelry making and other hobbies/crafts WHAT YOU GET : A head mount magnifier, 4 interchangeable lenses, 4 plastic screws, a user manual. Multiple products: 1.5 times, 2 times, 2.5 times, 3.5 times Product material: plastic, four optical glass lenses Product size: 248*200*50mm color: gray Quantity delivered: 1 piece