AZFUNN 1X to 3.5X Headband Magnifier with LED Light, USB Charging Headlamp with Magnifying Lens for Close Work, Hand-Free Head Mount Magnifying Glass for Reading, Sewing Crafts, Repair

Features: Lens surface is treated with strengthening process to reach surface hardness of H5 degrees. Movable lens slot is used to adjust the focal length between lens and object, and the distance between lens and eyes. Lens part and bracket part adopt internal/external meshing structure to avoid falling-off in time of viewing and reading. Both parts can be repeatedly turned over when they are not used temporarily, with solidness and durability. Nose bridge holder adopts stainless steel/soft glue gluing secondary injection molding. This holder can be adjusted freely according to the nose bridge shapes of different users. Lens angle and LED light source irradiating angle can be adjusted to ensure accurate irradiation of light source on the surface of viewed object. Making it more convenient in use. Common bracket-type eyeglasses magnifier can fall off easily during use because lens and LED light source part are quite heavy. This product can solve such problem completely. If this magnifier needs to be worn for long time, it is advised to change bracket into headband state, which can make work comfortable. Removal and installation of lenses: 1.Fingers hold the lenses at the left and right ends, and pull them out. 2.Select the lens you need and insert the interface above the lens into the lens slot. Safety precautions: 1.Do not put the magnifying glass in the direction of direct sunlight, so as not to cause fire. 2.Do not use the magnifying glass to observe the sun so as not to burn your eyes. 3.Please clean the lens with a soft cloth or a mirror paper. 4.Lenses can also be cleaned with a small amount of detergent and wet cloth, and then wipe with clean wet cloth. 5.Do not use alcohol, gasoline and other chemical liquids to wipe lenses and shells.