Abstract: A communications headset may be worn on an ear of a user. The headset may include a housing provided with a protruding concha-engaging part and a hook. The hook has an ear-engaging part and a joint part. The joint part is connected to the housing in that it is retained by a lug which is provided on an upper surface of a bottom wall of the housing. The joint part has an end portion which is configured as a rotation axis around which the hook is rotatable.