BRB Product _ Headphone Splitter, MillSO Jack Headset Adapter CTIA Audio Splitter Adapter Cable 2 Male to Female with Separate Microp - Walmart.com - Walmart.com
PC) Gaming headset for Xbox One, but mic issues - Ars Technica OpenForum
Nokia headset / handsfree HDB-5 connector and schematics pinout diagram @ pinouts.ru