3X High Power Magnification: It is really 3X without optical distortion After years of research upgrade, magnifying glass is made of single layer of aspheric mirror glass instead of double glass lenses,which is more scratch-resistant with extremely high definition USB-Charging: The newly upgraded magnifying glass does not need batteries, which reduces environmental pollution It has a built-in 1200 MAh rechargeable lithium battery USB charging port, can be connected to mobile power, car charger, wall charger, you can take it anywhere without worrying about charging ,It can read at least 10 hours on a single charge, which reduces the trouble of not being able to read without batteries saves more money Ultra Bright 21 LED: The LED magnifying glass is designed with 21 LEDS 3 Color modes (white, yellow,warm) Simply click a button, you can adjust the brightness ensure an overall better reading experience even at night or dark places,which is very useful compatible with patients with macular degeneration or hyperopia/white eyes Super Large Lens Lightweight(Diameter 4 8 inch):Magnifiers 3X without optical distortion,large lens ensures a clear distortion-free image life-time usage,optimal to enhance reading viewing very fine details in books, newspapers, magazines, photographs, maps, electronics, miniatures, jewelry, pill bottles, medications, hobbies, models, crafts of all kinds Pecfect Gift compatible with The Elderly Kids: Great magnifier compatible with seniors, Most elderly have difficulty reading the small print on coupons, prescription,bottle clear magnifier with light also a great choice compatible with those who have low or impaired vision of most types It also provided a lot of help compatible with children to explore nature Colour:GrayandwhiteMaterial:plasticSize:24 x 12cmPackage Contents:1 Magnifying Glass1 UBS data cableOnly the above package content, other products are not included Note: Light shooting different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is 1-3cm