This mobile phone microscope lens provides 200-times high-definition magnification with multi-layer optical coating for clear imaging. It includes a built-in LED light with 2-level brightness adjustment, allowing users to long-press for 3 seconds to switch the light on/off and short-press to adjust brightness. A CPL polarizer is featured to eliminate reflections, making it suitable for observing metal materials, jewelry, and even tiny natural objects. The lens is portable, weighing 17.5g and 11.5mm thick, with an adjustable clip for various phones and a universal interface. It operates without an app, powered by a 3.7V 120mAh lithium battery that charges in 1 hour for 2-4 hours of use, perfectly satisfying children's interest in scientific exploration. Age range:13 Years&Older Leaper Black HD Portable Phone Microscope Lens for Children' s Science Education with CPL in White