The present invention relates to a mobile device. A mobile device, according to an embodiment, comprises: a first main body which has a display unit having an image output on one side thereof; a second main body which is positioned at a predetermined distance away from the first main body and has a substrate unit, inside which an electronic component is mounted, and a power source battery for supplying a power source; and a connecting member which electrically connects the first main body and the second main body on the lower ends of the first main body and the second main body. The connecting member comprises: a body portion which forms the external shape; a mounting portion which is provided on the upper side of the body portion and has the first main body and the second main body placed thereon; a flexible substrate which is placed on the inside of the body portion and electrically connects the first main body and the second main body; and terminals which are formed on both end portions of the flexible substrate, are externally protruded from the mounting portion, and which are coupled to the first main body and the second main body, respectively.