its more trouble than its worth imo, i got my sharkoons replaced in sept and my new ones came with that, there isnt any lock in place function(like a push and twist thing) on it so sometimes it slips out
although judging by the picture my jointer is on the other side of the inline volume controls, or maybe not, upon closer inspection they are showing the end with the volume controls and the end that goes into the scu
(hoping to not be too old school and politically incorrect) they are showing the two male connectors and not the male-female connectors so i would be skeptical