The Matias Wearable Half Keyboard is an ideal
complement to your wearable PC, allowing fast
one-handed touch-typing, using your existing skills.
For applications ranging from collecting field data to
inventory to writing on-the-scene reports, nothing is
faster than a wrist-worn Half Keyboard.
"... I was blown away by the easy, almost no thought
required to adapt to typing on it... "
"... From the get go, my fingers knew how to type ..."
the-gadgeteer.com