full headphone set typically includes a standard jack 100 electrical wires 102 and any interconnectors 104 to supply sound signals to the headphones 10 the specific structure for the headphone set including the jack 100 the wires 102 and the connectors 104 can be of any conventional type to operate with the headphones 10 of the present invention the final combined structure can be seen in fig1 and 2 wherein the speaker 15 has been positioned in the rear insert member 14 which in turn has been inserted into the intermediate member 13 which in turn has been inserted into the elongated member 12 and where all of the various members are shown cooperating to provide for the operation of the present invention as shown in fig2 the headphone 10 is in the open position in this mode of operation outside external sounds can enter into the opening 22 to be passed into the interior of the headphone and thereby into the passageway 26 to the interior of the ear sounds produced by the speaker will still be transmitted to the interior of the ear but normal conversation and other outside noises can be heard but in somewhat attenuated form because of restrictions in the sound path through the headphone when.