A connector includes a shell that has a cylindrical shape and includes a body portion and a leg portion, the body portion being connected to a shell of the other connector, a ground plate that is a conductor plate, a claw that has a structure in which part of the ground plate is raised in a connector connection direction so as to have a strip-shaped tip and the tip supports the leg portion of the shell, and a case made of an insulator, the case to which the shell and the ground plate are to be attached. The case includes a plate-like base portion, a slit that is provided in one surface of the base portion, the slit into which the leg portion is to be inserted, and a groove that is provided in the other surface of the base portion, the groove into which the claw is to be inserted.