Description:  Mode one:  Mini desktop microscope strives to be a little scientist.  Equipped with glass slides, it is more professional and more ceremonial. Small size, suitable for home use and teaching.  Mode two:  Portable handheld microscope to explore anytime, anywhere.  The handheld mode allows children who are curious about nature to easily observe anywhere.  Mode Three:  Microscope with mobile phone to record and share at any time.  Fix the microscope with the mobile phone holder to observe in real time and share the beautiful new world with the world.     Features:  Microscope with mobile phone to record and share at any time.  Fix the microscope with the mobile phone holder to observe in real time and share the beautiful new world with the world.  The built-in led light is soft and does not hurt the eyes.  Gentle light does not hurt the eyes and supplements the light source to meet the exploration needs of different environments.     Specification:  Product name: Darwin portable scientific microscope.  Product weight: A is 0.3kg , B is 0.4kg.  Applicable age: over 8 years old.  Product material: ABS, PMMA.  Type: A with 2 Slides / B with 12 Slides.     How to use:  1. Fix the mobile phone on the bracket, and screw the microscope to the bracket.  2. The objective lens is close to the object, turn on the led light.  3. Adjust the zoom wheel and select the appropriate magnification.  4. Adjust the zoom wheel until the image is clear.     Note:  Type A come with only 2 Glass Slides,Type B come with 12 Glass Slides, about other parts come with the same.     Package Inlcluded:  1 X Microscope.  1 X Bench stand.  1 X Hand Machine stand.  1 X Stage.  2x Glass Slides (Type A come with).  12 X Glass Slides ( Type B come with).  1 X Storage bag