Windows Central published a review on the Das Keyboard 4Q
A quote from the article:
Throw away your phone, because this keyboard will alert you when you get new email.Das Keyboard 4Q Review
If there's one facet of computing that hasn't changed in the last 50 years, it's the keyboard. Most keyboards you see in the market today are nearly identical to their counterparts from half a decade ago. Sure, there's much more customizability these days: you get to choose from several sizes, switches, materials, and RGB lighting, but the functionality has largely unchanged.
Das Keyboard wants to change that. The brand's 4Q mechanical keyboard is a smart keyboard, and it connects to a cloud server to deliver notification alerts from the likes of Gmail, GitHub, Trello, and much more.