Magnifier glasses is equipped with 4 detachable lens, which are made of acrylic resin material, the surface hardness of the lens reach 5H, more wear-resistant, not easy to scratch, high definition and light weight, very durable and not easy to deteriorate after long-term storage. you can use these 4 lens to meet your different close works: Focal length: 333mm/13.11 inch (1.5x), 200mm/7.87 inch (2.5x), 142mm/5.59 inch (3.5x), 100mm/3.93 inch (5x).

You can adjust the 3 LED headlights direction for more precise illuminating angle to meet your need. The power indicator light is a good helper to let you know when to charge. It takes 1.5 hours to fully charge through USB cable. Fully-charged battery can make LED light last continuously for 3.5 – 7 hours.