A wearable ring-shaped electronic device having a ring portion engageable with a first finger of a user wearing the device is provided. The ring portion includes an interface, and a display unit operatively coupled with the ring portion. The display unit comprising a face that is coupled with any or a combination of a face cover and a face edge such that, upon interaction between a second finger of the user and the interface, interaction-based data is transmitted to and processed by at least one processor of the device so as to enable one or more notifications to be either displayed on any or a combination of the face cover and the face edge, or audibly notified to the user.