80X Children Mini Portable Microscope Student Antique Jewelry Identification Science Experiment Teaching Toy 1. Material: ABS 2. Focal length: 80X 3. Applicable age: 3 years + 4. LED light power supply: 3pcs AG10 button battery 5. Weight: about 40g 6. Size: about 5.4 x 4 x 2.6cm Features: 1. 80X focal length, stable and clear imaging, high-definition optical lens, no stray light clearer 2. LED guide light, automatic replenishment design, soft light, light uniformity, more convenient and clear observation 3. Convenient to use, easy to operate, ready to install and shoot, open the camera, fast focus, the phone turns into a microscope in seconds 4. No need to make specimens on hand to play, compact and portable, anytime and anywhere to explore your microscopic world 5. Easy to operate, with focus wheel, easy to adjust the focus, suitable for biological science, microscopic exploration, help to cultivate children scientific thinking