Here is a cool iPhone 7 Plus case that adds a second display to the back of your phone while protecting your investment. You will be able to read e-books, view tasks, and do everything else. InkCase i7 Plus has a 5.2″ e-ink screen and a battery that lasts you up 5 days. It is also shock resistant and waterproof.
The display has a resolution of 540 x 960 resolution. You will be able to send e-books to the display via Bluetooth. The InkCase i7 Plus can even serve as a selfie assistant. Yet another cool Kickstarter project.