Smart Ring

Once your phone has a NFC chip you can synchronize it and use the following functions: to unlock your phone just for you, select one or more functions to run automatically, write in the ring and edit the content of a text, capture a photo, it has delete after reading function, to hide any application and run it, sharing the links and to networks, it has the function of intelligent door lock and of a business card. Besides it has other more ordinary features like, pedometer, fitness tracker, sleep tracker, mood tracker, altitude meter, message & call reminder, water&dust proof, privacy protection, quick task start, quick view. Signal transmission distance: 1.5 cm. Compatible with Android and Windows phones.