Pebble Time (and Pebble Time Steel in the respective manufacturing) show: even a pebble can be smart. So smart, that a coloured 1.25 inch large e-paper shows display information from smart phones, which run under Android or iOS. This works extremely energy-efficient, because the screen only needs energy if the content changes. In addition, the clever watch is water-proof and shock-proof thanks to gorilla glass. The small miracle is operated by voice control and buttons that can be used blindly.