A system includes a head mounted display (HMD) having at least one of a display unit and a sensing unit and configured to be connected to a mobile terminal in a wired manner, and a mobile terminal configured to control the HMD, wherein the mobile terminal includes a terminal body, an interface unit provided in the terminal body and configured to be connected to the HMD in a wired manner, a sensing unit configured to sense a movement of the terminal body, and a controller configured to output a preset first region of a virtual space on the display unit of the HMD and control the display unit of the HMD to display a second region of the virtual space different from the first region of the virtual space on the basis of a movement of the HMD sensed through the sensing unit of the HMD.