APEXEL USA INC.: The 200X Phone Microscope is a portable and practical lens that allows you to explore the microscopic world using your smartphone. It is a useful accessory for students, collectors, engineers, testers, and anyone interested in exploring the unseen world. This microscope is also a great gift for kids, adults, friends, and family.With just one smartphone, you can explore the micro world anywhere. This microscope is widely used for lab work, skin/hair/industrial/biological inspection, jewelry & stamp collections appraisal, health diagnosis, art investigation, outdoor exploration, and more.The microscope clip is easy to use and does not require any app. Simply adjust the clip onto your phone camera and align the microscope lens with your phone main camera. Long press for three seconds to turn on the LED, then you're ready to shoot.The 200x magnification microscope is super lightweight (only 17.5g) and turns your phone into a professional microscope. The HD Optical Lens allows you to take amazing enlarged high-resolution photos and videos by simply attaching our microscope to your smartphone's native camera. The best focal distance is 6.5-7.0mm (0.255-0.275inch).The microscope is compatible with 95% of smartphones, including iPhone, Samsung, Google, Huawei, Xiaomi, and more. The longest distance of the adjustable slide is 39.5mm.The package includes a USB-C charging cable, pocket microscope, storage bag, dust-proof cloth, and product instruction manual. The microscope is available in a CPL version, which effectively eliminates reflections and restores the true colors of the object. Use the 200X Phone Microscope for lab work, STEM applications, jewelry appraisal, health diagnosis, art investigation, outdoor exploration, and more.