PROFESSIONAL OPTICAL LENS-The microscope lens attachment is made of high-quality material instead of a cheap resinous lens. Each lens has 3-5 layers of coating to increase imaging quality. Start to explore the microworld with the mini microscope. ( It's a very close-up microscope, the working distance is 0.14-0.17inch) EASY TO USE-The pocket microscope has a built-in LED light. It provides a bright working environment for the very close-up microscope(The LED ring light automatically when the lens cover has been opened). There is NO APP requirement, NO specific phone case requirement. You only need to clip the add-on lens in your phone's primary camera. It's a perfect gadget to observe plants, trichomes, coins, stones, skin, etc. FITS FOR ALMOST ALL CELLPHONE-The clip and slideway are integrative, no-screw, no-spring design. Clip's universal parameter made the handheld microscope compatible with almost all cell phones. The clip's max opening width is up to 0.78in/2cm so that you can use it with your phone case. ( if your phone's camera is convex, we suggest you use the lens with your phone case. ) USING TIPS- It's a very close-up microscope lens attachment, the working distance is 0.14-0.17inch. Using time for LED light is 2 hours, charging time is 1.5 hours. Start to capture remarkable details by the clip-on microscope (Please DO NOT clean the lens with alcohol, it may damage the coating on the lens). Enjoy a fantastic Micro-world with the tiny microscope attached to your smartphone. This 100X magnification microscope is specialized for mobile phones, perfect for plant exploration, textile/jewelry/printed circuit board inspection and so on. Equipped with a universal clip, the microscope is compatible with most smartphones in the market. With this microscope, you can use your smartphone to explore amazing micro-world freely. The