Meet µPeek: a smart microscope that fits in your pocket and lets you view small objects and organisms on your smartphone. It has a motorized 4-elmeent lens to provide you with clear images. It is water resistant and weighs only 55g. The battery life lasts up to 4 hours. This microscope connects to your iOS or Android device via Bluetooth.
µPeek is pretty easy to use. It offers up to 350x magnification, depending on the smartphone you are using. This educational tool is available on Kickstarter.[Source]