The Sonder Keyboard is a full keyboard in which all letter and numeric keys are small E Ink displays that can be customized. The keyboard supports Bluetooth and has front lighting.

The Sonder Keyboard was announced in June 2015, with a price tag of $299. The keyboard hasn't been released yet, but advanced pre-orders are available for $199. Sonder says the keyboard will ship by the end of 2016.

Sonder is an Australian startup that that is now part of Foxconn’s International Holding’s (FIH) Incubator program.

E Ink display info: 
Several small E Ink displays