Abstract: A wearable device is provided. The wearable device includes a ring-shaped body having a hole, an image display unit surrounding an outer circumferential surface of the ring-shaped body, a first ring-shaped bezel and a second ring-shaped bezel respectively provided on a first side surface and a second side surface of the image display unit to be independently rotatable about the hole, a sensor configured to measure a motion, a processor configured to control a first region of the image display unit to have a touch sensing function, and control a second region that is different from the first region not to have the touch sensing function, and a transceiver unit configured to transmit, to an external electronic device, a control signal generated by the processor according to an input signal by a touch on the image display unit or an input signal by rotation of at least one of the first ring-shaped bezel or the second ring-shaped bezel.