To provide a movable connector without having to be equipped with an extra stopper.

In the connector, a part of a housing is protruded and the protrusion is contained in a recessed part of the connector corresponding to the protrusions so as to achieve electrical connection and mechanical fixing, the housing has a fixing part fixed to a substrate and a movable protrusion, and the protrusion is supported to the fixing part of the housing through a contact part. The protruded part has a stopper making the protruded part stop by contacting with the contact part when inserting the connector, and the contact part has a stopper making the protruded part stop by contacting with the housing when pulling out the connector.