A mobile terminal having a terminal body, a circuit board located in the terminal body, the circuit board including a plurality of switches located thereon and an input device is provided. The input device is configured to input a control command and is installed at the terminal body. The input device includes a key top configured to be pressable in one direction, the key top having a rear surface facing the circuit board, a plurality of pressing portions protruding from the rear surface of the key top, each pressing portion being configured to extend toward a corresponding switch of the plurality of switches and at least one dummy pressing portion disposed between one pressing portion and another pressing portion of the plurality of pressing portions, the at least one dummy pressing portion being supported by the circuit board when the key top is pressed such that, when one switch of the plurality of switches is pressed by said one pressing portion, the at least one dummy pressing portion is configured to prevent said another pressing portion from pressing another switch of the plurality of switches.