Waterproof earphone

A waterproof earphone is disclosed. The earphone comprises a housing having a first end, a second end, and a housing bore extending there between. The housing is dimensioned for insertion into a human ear canal. The earphone further includes a sleeve having a first end and a second end, and an axial bore extending there between. The sleeve is disposed within the housing. The earphone still further includes a receiver disposed within the sleeve's axial bore. The receiver has a cable extending outwardly past the first sleeve end. An end-cap has first and second ends, and the end-cap first end matingly engages the housing's second end. A waterproof membrane seals the end-cap's second end.