Rechargeable battery-This pocket magnifying glass is equipped with a rechargeable lithium battery and comes with a USB charging cable. It greatly extends the working time of the LED light, and you no longer need to buy batteriesTwo types of reading-the wireless magnifier can usually stand alone when your hand is tired. And, it can be stretched to be a handheld magnifying glass, the lightweight design makes it convenient for handheld use. Metallic Material-Made of metallic material with a black paint finish. It is quite durable and not easy to damage. This 25-fold loop has a diameter of 1.02 inches. This is a professional magnifier for work, perfect for prescription drugs, maps, crafts, coins, and also a great choice for those who have low or impaired vision of most types. Easy On/Off--Just press the soft silicone button to turn on the 4 white lights for ordinary magnified observation, press again to 2 UV lamps to get the magnifying glass money detector. Press a third time to turn off the light. This small jewelry loop will be a good helper at work. Material: MetalColor: BlackPackage Contents:1 x Rechargeable MagnifierOnly the above package content, other products are not included. Note: The light and different displays may cause the item's color a little different from the real thing. The measurement error is +/- 1-3cm.