Arcus is a ring-sized motion analyzer that tracks your activity and recognizes your gestures. Arcus allows you to get real-time feedback of your performance across a wide variety of sports.
The smart ring can also connect to and control any nearby Bluetooth Smart Ready device using simple finger gestures.
The Arcus mobile application is compatible with iOS, Android, and Windows devices. This lightweight and smart ring is a still a Kickstarter project with a $320,000 goal, which has so far raised more than $25,349. Take a look at the video below to learn more about the Arcus.