A connector device includes: a plug connector including a plurality of plug terminals, a plug housing that holds the plurality of plug terminals in its longitudinal direction, and a plug shell held by the plug housing; and a receptacle connector including a plurality of receptacle terminals, a receptacle housing that holds the receptacle terminals along its longitudinal direction, and a receptacle shell held by the receptacle housing. The plug shell and the receptacle shell are electrically connected to each other through at least the contact portion in a state where the plug connector and the receptacle connector is fitted with each other.