"Product details Features: This headset magnifier is made of high quality materials that are lightweight and comfortable to wear. An adjustable head-mounted magnifying glass with clear lenses designed for the elderly, amateurs and professionals. Equipped with 5 different magnification lenses, this will make it easier to meet your different needs. The lens angle is adjustable and the use is very flexible. This is a convenient and practical visual aid. Suitable for inspection of delicate products such as eyelash extension. Specification: Material: Acrylic lenses ABS Magnifying Glass Size: Approx 95 42 mm Single-plate Lens Magnifications: 1.0X,1.5X,2.0X,2.5X,3.5X Eyeglass Frames Size: Approx 222mm 145mm 65 mm Field of view: Approx 555mm(1.0X),381mm(1.5X),278mm(2.0X),183mm(2.5X),156mm(3.5X) Package Included: 1 Eyeglass Frames 5 Different Acrylic lenses 1 Elastic Headband 1 Carry Box "?Light and lens angles can be adjusted for precise illumination and viewing. You can move the lens back and forth to adjust the distance for a comfortable focal length range. ?This is a convenient and practical visual aid for those who deal with small parts and process designs. ?Ideal for reading viewing small font maps, newspapers, books, coins, stamps, electronics, jewelry, nasty pill bottles, etc. ?Headlights with 2 super bright LEDs - powered by 3 AAA batteries (not included) for a long time. ?Five interchangeable lenses, 1.0x, 1.5x, 2.0x, 2.5x, 3.5x magnification, respectively, scratch-resistant material reduces weight. Lens shape like glasses.