Unlocking apparatus and method using ear-micro headset in terminal

An unlocking apparatus and a method using an ear-micro headset in a terminal are provided. The unlocking apparatus and the method using an ear-micro headset in a terminal enable to unlock the terminal and switch to a speech recognition mode using the ear-micro headset placed into the terminal. The apparatus including a memory configured to store at least one password value for unlocking the terminal, and to switch to a speech recognition mode by using combinations of inputs of at least one button equipped in the ear-micro headset, and a controller coupled to the memory configured to unlock the terminal based on the combinations of inputs of the at least one button equipped in the ear-micro headset if the terminal is locked with the ear-micro headset plugged therein.