An electronic device mountable on a wearable device, the electronic device comprising: a memory configured to store instructions; a display; at least one sensor; and at least one processor that is, when executing the instructions, configured to: execute a virtual reality, VR, mode that displays a multimedia content as two images separated from each other such that the multimedia content is displayed as a stereoscopic image; in response to executing the VR mode, provide, via the display, the multimedia content by displaying a black screen for a first designated time period and an image frame for a first remaining time period per unit frame; while providing the multimedia content by displaying the black screen for the first designated time period per unit frame, detect a movement of the electronic device via the at least one sensor; and provide, via the display, the multimedia content by displaying the black screen for a second designated time period and the image frame for a second remaining time period per unit frame, based on detecting the movement of the electronic device being equal to or greater than a predefined reference value, wherein the second designated time period is longer than the first designated time period. a memory configured to store instructions; a display; at least one sensor; and at least one processor that is, when executing the instructions, configured to: execute a virtual reality, VR, mode that displays a multimedia content as two images separated from each other such that the multimedia content is displayed as a stereoscopic image; in response to executing the VR mode, provide, via the display, the multimedia content by displaying a black screen for a first designated time period and an image frame for a first remaining time period per unit frame; while providing the multimedia content by displaying the black screen for the first designated time period per unit frame, detect a movement of the electronic device via the at least one sensor; and provide, via the display, the multimedia content by displaying the black screen for a second designated time period and the image frame for a second remaining time period per unit frame, based on detecting the movement of the electronic device being equal to or greater than a predefined reference value, wherein the second designated time period is longer than the first designated time period. execute a virtual reality, VR, mode that displays a multimedia content as two images separated from each other such that the multimedia content is displayed as a stereoscopic image; in response to executing the VR mode, provide, via the display, the multimedia content by displaying a black screen for a first designated time period and an image frame for a first remaining time period per unit frame; while providing the multimedia content by displaying the black screen for the first designated time period per unit frame, detect a movement of the electronic device via the at least one sensor; and provide, via the display, the multimedia content by displaying the black screen for a second designated time period and the image frame for a second remaining time period per unit frame, based on detecting the movement of the electronic device being equal to or greater than a predefined reference value, wherein the second designated time period is longer than the first designated time period.