Wemacro Shutter Release Cables have a 3.5mm Stereo plug on the Wemacro end and a Camera Specific connector on the camera end.

The Wemacro J shutter release cable is suitable for use with Olympus:

E-620,E-600,E-550,E-520,E-450,E-420,E410,E-100,E-30,E-PM1,E-M5,E-PL2,E-PL3,E-P3,EP-2,EP-1,SP-590UZ,570UZ,565UZ,560UZ,550UZ,510UZ,810UZ,SZ-30MR,SZ-20,SZ-11