Onyx, primarily markets it as a multipurpose tablet, with an E INK screen, but it also does ... only company to have this feature. You can do shading, by just drawing on an angle.

Color E Ink in its current state requires a whole lot of compromises, as we've found when reviewing devices like reMarkable's Paper Pro or Amazon's Kindle Colorsoft, including washed-out color ...

"The E Ink keyboard is a self-learning keyboard ... along with tilt support for natural shading effects. The Yoga Book C930 will be available in EMEA next month starting at €999.