These are Google's USB-C accessories (and they'll work with MacBook, too)

Google has embraced USB-C on the new, 2015 Chromebook Pixel, revealing a handful of accessories for the new connectivity standard alongside the Chrome OS notebook. As well as the Pixel itself - which promises up to twelve hours of battery life, as well as a recharge good for two hours of use off just 15 minutes of being plugged in …