A mobile terminal, comprising: a terminal body having a touch screen; an audio jack provided on the terminal body, the audio jack being prepared to connect with an audio output device; and an antenna device detachably provided to the audio jack, wherein the antenna device includes: - an antenna body implemented in a form of a rod, - a connector provided at one end of the antenna body being prepared for insertion into the audio jack, the connector including at least one feeding terminal configured to receive a signal, and - a touch tip provided at the connector, and the touch tip configured to manipulate the touch screen, wherein the terminal body includes a recognition device configured to recognize whether a connector of the audio output device or the connector of the antenna device is electrically connected to the audio jack, wherein the connector is formed to correspond to a size of the audio jack, and wherein the connector includes: - a first connector body formed of a conductive material and being connected to the antenna body by a hinge; - a second connector body formed of a conductive material, the second connector body being provided at a head portion of the first connector body so as to electrically connect to the first connector body, and the second connector body being configured to form the feeding terminal; and - a third connector body formed of a conductive material, the third connector body being provided at a head portion of the second connector body so as to be insulated from the second connector body, and the third connector body having a mounting hole at an end thereof to receive the touch tip. a terminal body having a touch screen; an audio jack provided on the terminal body, the audio jack being prepared to connect with an audio output device; and an antenna device detachably provided to the audio jack, wherein the antenna device includes: - an antenna body implemented in a form of a rod, - a connector provided at one end of the antenna body being prepared for insertion into the audio jack, the connector including at least one feeding terminal configured to receive a signal, and - a touch tip provided at the connector, and the touch tip configured to manipulate the touch screen, - an antenna body implemented in a form of a rod, - a connector provided at one end of the antenna body being prepared for insertion into the audio jack, the connector including at least one feeding terminal configured to receive a signal, and - a touch tip provided at the connector, and the touch tip configured to manipulate the touch screen, wherein the terminal body includes a recognition device configured to recognize whether a connector of the audio output device or the connector of the antenna device is electrically connected to the audio jack, wherein the connector is formed to correspond to a size of the audio jack, and wherein the connector includes: - a first connector body formed of a conductive material and being connected to the antenna body by a hinge; - a second connector body formed of a conductive material, the second connector body being provided at a head portion of the first connector body so as to electrically connect to the first connector body, and the second connector body being configured to form the feeding terminal; and - a third connector body formed of a conductive material, the third connector body being provided at a head portion of the second connector body so as to be insulated from the second connector body, and the third connector body having a mounting hole at an end thereof to receive the touch tip. - a first connector body formed of a conductive material and being connected to the antenna body by a hinge; - a second connector body formed of a conductive material, the second connector body being provided at a head portion of the first connector body so as to electrically connect to the first connector body, and the second connector body being configured to form the feeding terminal; and - a third connector body formed of a conductive material, the third connector body being provided at a head portion of the second connector body so as to be insulated from the second connector body, and the third connector body having a mounting hole at an end thereof to receive the touch tip.