About this item USB RechargeableThis newly upgraded USB rechargeable magnifying glass has a built-in 1200mAh lithium battery, which saves you the cost of the battery and is more portable. The package of this lighted magnifying glass comes with USB power cord which can be used for car, home, and mobile power charging. It only takes 2 hours to fully charge, and it can be used for at least 8 hours continuously, so that you no longer have battery power anxiety by using our magnifier. 21 LED & 3 Color Temperature This is a magnifying glass with light which designed with 21 mini super bright LED lights. The Magnifier has 3 adjustable light modes: cool light, warm light and mixed color light. Which to meet your needs in different light environments. 30X Magnifier with LightThis high magnification magnifying glass can provide 30x magnification without image distortion. This hand held magnifying glass is made of high-quality optical glass (not resin or acrylic glass), which is more scratch-resistant with extremely high definition. Great for the elderly and children. Ergonomic DesignThis magnifying glass weighs only about 0.5 pounds, and the 90mm /3.5inch large lens diameter can provide a larger reading field and reduce eye fatigue. The crank design makes it more comfortable to hold. Our magnifier is suitable for the elderly to check and read and other close work of fine prints. Ultra-light weight and can be carried in a pocket or backpack. Our magnifier is suitable for the elderly to check and read and other close work of fine prints. One-Touch Tactile OperationOur 30x magnifying glass with light uses the latest area touch buttons, you can adjust the light with just a touch, and it is sensitive. Simple one-key operation, especially for the elderly and children to read books, newspapers, magazines, small texts, etc.