RiN in its physical form is a 2-finger ring equipped with health tracking function. When the display is hidden, the top cover is like a polished gem. Whereas the display is on by pressing the button, the time and health data can be seen through the transparent top cover. It is a wearable Internet of Thing (IoT) health tracker designed for unobtrusive and intuitive use. It fits neatly to fingers just as a ring does.