1. A mobile terminal, comprising a frame configured to be provided on a user; a transparent display to display information; a wireless communication unit configured to transceive data with at least one external device; a camera to obtain a first image; an input unit having a capture button, and the input device to receive a first input via the capture button; and a controller configured to: obtain the first image in response to receiving the first input by pressing of the capture button and continuously maintaining the first input by maintaining the pressing of the capture button, automatically select a first external device when gazing at the first external device for more than a prescribed time based on at least one of a point of gaze of a user or a direction of a head of the user while the first input is continuously maintained by pressing of the capture button, control the wireless communication unit to transmit the first image obtained by the camera to the selected first external device in response to releasing the first input by releasing the pressing of the capture button, and control the transparent display to display, at a display position corresponding to the selected first external device, a focus indicator indicating that the first external device is automatically selected.