A system comprising: an electrical connector socket and an electrical plug, wherein the electrical connector socket comprises: a housing having a front face; a plurality of electrically conductive contact regions provided on the front face; magnetic regions provided in the housing to physically retain said corresponding plug connectable with the socket, in use; and a plurality of plug pin receivers for receiving plug pins of one or more known headset plugs, such that the socket may be electrically connected to the corresponding plug via the electrically conductive contact regions or to one or more known headset plugs via the plug pin receivers; wherein the electrical plug comprises: one or more magnetic regions configured to co-act with the magnetic regions of the corresponding socket; a plurality of pins corresponding to the contact regions of the corresponding socket; and one or more projecting stubs configured to assist with alignment with the corresponding socket and to be provided within the corresponding plug pin receivers of the socket in use; wherein said plurality of electrically conductive contact regions are configured to co-act with corresponding pins of the corresponding plug, in use. an electrical connector socket and an electrical plug, wherein the electrical connector socket comprises: a housing having a front face; a plurality of electrically conductive contact regions provided on the front face; magnetic regions provided in the housing to physically retain said corresponding plug connectable with the socket, in use; and a plurality of plug pin receivers for receiving plug pins of one or more known headset plugs, such that the socket may be electrically connected to the corresponding plug via the electrically conductive contact regions or to one or more known headset plugs via the plug pin receivers; wherein the electrical plug comprises: one or more magnetic regions configured to co-act with the magnetic regions of the corresponding socket; a plurality of pins corresponding to the contact regions of the corresponding socket; and one or more projecting stubs configured to assist with alignment with the corresponding socket and to be provided within the corresponding plug pin receivers of the socket in use; wherein said plurality of electrically conductive contact regions are configured to co-act with corresponding pins of the corresponding plug, in use. a housing having a front face; a plurality of electrically conductive contact regions provided on the front face; magnetic regions provided in the housing to physically retain said corresponding plug connectable with the socket, in use; and a plurality of plug pin receivers for receiving plug pins of one or more known headset plugs, such that the socket may be electrically connected to the corresponding plug via the electrically conductive contact regions or to one or more known headset plugs via the plug pin receivers; wherein the electrical plug comprises: one or more magnetic regions configured to co-act with the magnetic regions of the corresponding socket; a plurality of pins corresponding to the contact regions of the corresponding socket; and one or more projecting stubs configured to assist with alignment with the corresponding socket and to be provided within the corresponding plug pin receivers of the socket in use; wherein said plurality of electrically conductive contact regions are configured to co-act with corresponding pins of the corresponding plug, in use. one or more magnetic regions configured to co-act with the magnetic regions of the corresponding socket; a plurality of pins corresponding to the contact regions of the corresponding socket; and one or more projecting stubs configured to assist with alignment with the corresponding socket and to be provided within the corresponding plug pin receivers of the socket in use; wherein said plurality of electrically conductive contact regions are configured to co-act with corresponding pins of the corresponding plug, in use.