This touchless keyboard system's breakthrough is that it combines both the typing and the mousing in a single sensor. When configured on a standard PC, the user wears the headgear shown in the picture, and navigates and types by moving their head and neck. Here's what separates this product from similar ones:
The machine translation is quite shaky:
Kana dedicated keyboard input specification and development of new acceleration sensor module with Ma UNTOSENSA.
From what I can tell, that means the innovations include a dedicated single input for both keyboard and mouse functionality, and an acceleration sensor that measures not just the movements themselves, but their force and three-dimensional direction too.