The e-ink keyboard (Sonder keyboard) is a "intelligent magic keyboard" developed by the Australian start-up company Sonder, which uses e-ink technology, each key can be freely changed. In addition the keyboard can also be adjusted according to the layout of different languages.

The Sonder keyboard is mainly designed for the convenience of Customize shortcuts or hotkeys. There are about 50 customizable keys. The customizable keys are transparent and the bottom of the keys display characters or patterns through e-ink. The keys are backlit for use in dark environments.

User-defined keyboards are automatically saved to the cloud. The Sonder connects to a computer or various smart mobile devices via Bluetooth. It requires a few simple steps to configure.