An electronic device including a mobile terminal and a case with which the mobile terminal is combined, wherein the mobile terminal includes a terminal body that is combined with the case, and a first display that is combined with the case, wherein the case includes a first body that is formed in such a manner as to accommodate at least one portion of the terminal body, a second body in which a second display is disposed, a wiring unit that electrically couples the first body and the second body so that data which is received from the mobile terminal is transferred to the second display, and a wireless communication unit that is formed in such a manner as to transmit and receive a signal to and from the mobile terminal, and characterized in that: wherein, in a state where first screen information including an input area is displayed on the first display and where second screen information is displayed on the second display, in response to reception of a predetermined touch input in the input area, a controller of the mobile terminal is adapted to control the wiring unit, the wireless communication unit, the first display, and the second display such that the second screen information displayed on the second display is captured and that the captured second screen information is inserted into the input area of the first screen information, wherein the captured second screen information is stored in a memory of the mobile terminal. wherein the mobile terminal includes a terminal body that is combined with the case, and a first display that is combined with the case, a terminal body that is combined with the case, and a first display that is combined with the case, wherein the case includes a first body that is formed in such a manner as to accommodate at least one portion of the terminal body, a second body in which a second display is disposed, a wiring unit that electrically couples the first body and the second body so that data which is received from the mobile terminal is transferred to the second display, and a wireless communication unit that is formed in such a manner as to transmit and receive a signal to and from the mobile terminal, and a first body that is formed in such a manner as to accommodate at least one portion of the terminal body, a second body in which a second display is disposed, a wiring unit that electrically couples the first body and the second body so that data which is received from the mobile terminal is transferred to the second display, and a wireless communication unit that is formed in such a manner as to transmit and receive a signal to and from the mobile terminal, and characterized in that: wherein, in a state where first screen information including an input area is displayed on the first display and where second screen information is displayed on the second display, in response to reception of a predetermined touch input in the input area, a controller of the mobile terminal is adapted to control the wiring unit, the wireless communication unit, the first display, and the second display such that the second screen information displayed on the second display is captured and that the captured second screen information is inserted into the input area of the first screen information, wherein the captured second screen information is stored in a memory of the mobile terminal.