ADJUSTABLE LED LIGHT&RECHARGEABLE: Our magnifying glass with light has 4 led bulbs, the function of detachable and adjusting the direction of illumination. When using magnifying glass, you can adjust the illumination direction of led for more precise illuminating angle to meet your need. Also, you can remove the battery to charge. It takes 1.5 hours to fully charge through Type-C USB cable. Fully-charged battery can make LED light last continuously for 6-7 hours. HIGH QUALITY LENSES: Magnifying glass come with 4 replaceable lens at 1.5X, 2X, 2.5X, 3.5X maginification, which are made of shatterproof acrylic, high definition and light weight. Each lenses are different totally. 1.5X power at 333mm focal length, 2.0X power at 250mm focal length, 2.5X power at 200mm focal length, 3.5X power at 142mm focal length. Magnifying glass can provide a specific magnification power (X), the viewing ability is depended on the distance from the object you adjust. DETACHABLE LENS DESIGN: Magnifying glass with light is designed with detachable lens and you can put the optical lenses you need on it with the 2pcs plastic screws to fix it. Very easy to change the different lenses to meet your different needs. The illuminated headband magnifier can be tilted up and down as needed, and moved out of the way when no longer required. Also, You can wear this head magnifier visor over your own prescription glasses or safety goggles. COMFORTABLE&ADJUSTABLE HEADBAND MAGNIFIER: The inner side of the headband is wrapped with soft PU Leather, which makes the head more comfortable and not easy to flip off when worn. Head magnifying glasses with light for close work is designed with 3 knobs. You can use the sides 2 knobs to adjust the height / angle of the lens, and the another one knob on the back side can adjust to fit the head size. WIDE APPLICATION: Magnifying headset with light is made of high quality plastic and acrylic, the soft PU leather, inside of the magnifier ensures a comfort wearing. Also, The magnifying headset can help you to improve your low vision and release your hands in work at one time. For different use: reading, painting, observing, modeling, repairing, sewing, soldering, jewelry making, and other hobbies/crafts. A perfect fathers mothers' day gifts ! NOTE: This magnifying glass come with 4 lenses to meet your different magnifying power, the viewing ability is depended on the focal length you adjust. A perfect gift! how to change lenses of this magnifying glass 2 kinds of Knobs of Magnifying Glasses how to charge of this headband magnifier 4 led power display of this magnifying headset WIDE APPLICATION Magnifying glasses with light for close work: reading, painting, observing, modeling, repairing, sewing, soldering, jewelry making, and other hobbies/crafts. A perfect gift ! Made of high quality plastic and acrylic, the soft PU leather help you to improve your low vision and release your hands in work at one time RECHARGEABLE & ADJUSTABLE LED LIGHT: Headband magnifier with 4 led lights has the function of detachable and adjusting the direction of illumination When using, you can adjust the illumination direction of led for more precise illuminating angle to meet your need. Also, you can remove the battery to charge. It takes 1.5 hours to fully charge through Type-C USB cable. Fully-charged battery can make LED light last continuously for 6-7 hours. Power Indicator help you to know how much power does the battery hold