http://www.techradar.com/news/what-is-airpower-the-new-apple-wireless-charging-system

Apple's iPhone 8, iPhone 8 Plus and iPhone X (pronounced 'ten') are official, and one of the biggest innovations with the new iPhones is wireless charging. 

But you need something with which to charge these, and your other Apple devices, right? To that end, Apple has created AirPower.