Features:-Made of optical PVC, it provides excellent clarity, better light transmission and minimal distortion.-Built-in 1000mAh battery with USB charging mode, can be powered with the included charging cable.-Built-in 50 LED lights, it can be dimmed continuously to adjust to different environments, helping to reduce eye fatigue and strain.-The field of view is 25.7*18.7cm, which provides better visual effect and allows you to view a larger area without having to move the magnifying glass repeatedly.-There are 3 ways to use it, hang it around your neck, hold it in your hand or use it as a stand, which can meet your needs in daily life and work.-The flexible goose neck allows you to adjust it to any angle without worrying about its stability. Perfect for read.