According to reports, Apple is in talks with Sonder, an Australian startup that is now part of Foxconn's incubator program regarding its E Ink keyboard technology. Sonder confirmed that Apple's procurement board reached out to the company.
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. This 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.