Zemirror 4-inch Selfie Monitor for iPhone

Here is another screen that comes handy for rear-camera selfies and vlogs when using your iPhone. The Zemirror has a 4-inch screen and works for iOS and Android devices. It has an adjustable brightness and built-in display. You will be able to record 4K 120fps video with low latency. Thanks to this, you can vlog on the go while keeping an eye on your surroundings.

This gadget is powered by a 1500mAh battery and lasts up to 2.5 hours. It is compact enough to easily fit in your pocket. You can also use this in split-screen mode on Android, which means you will be able to watch videos on one while doing other things on the other at the same time. This display has 800 x 480p resolution. You can find it on Kickstarter.