They're standards, there's just too many of them! [1] [1] https://en.wikipedia.org/wiki/Phone_connector_(audio)#TRRS_standards https://en.wikipedia.org/wiki/Ph

They're standards, there's just too many of them! [1] [1] https://en.wikipedia.org/wiki/Phone_connector_(audio)#TRRS_standards https://en.wikipedia.org/wiki/Phone_connector_(audio)#TRRS_s...