Detachable mobile terminal for image communication and operating method thereof

A mobile terminal comprising a first body comprising an image receiving unit, an image output unit, a first sound input unit, a first sound output unit, a first information input unit and a wireless communication module, a second body comprising a second information input unit, a second sound input unit, a second sound output unit and a wireless communication module, wherein the second body is capable of being slidingly mounted to the first body and separated from the first body, and a locking unit for preventing separation of the second body from the first body, wherein the wireless communication modules of the first body and the second body are capable of wirelessly communicating with each other when the first body and the second body are detached from each other.