The smart ring wearables were the latest addition to smart wearables technology in 2015. The smart rings are gaining popularity though they are overshadowed by smartwatches and smart bands. The application of smart rings is limited considering their compact size. The smart rings are mainly used for notifications, which are channeled from smartphones for calls, messages, and other apps. The smart rings can be used to unlock smartphones and smart door locks. Some of the near- ... Read more