Startech.Com MUYHSMFF Muyhsmff 3.5 mm 4-Pin to 2X 3-Pin 3.5 mm Headset Splitter Adapter-M/F : Amazon.ca: Electronics
InLine® Audio Headset Adapter 3.5mm 4 Pin to 2x 3.5mm Mic and Speaker 0.25m | Y-Adapter Cable | Jack -> jack | Cable | Product Overview | INTOS ELECTRONIC AG - Online Store
3.5mm Headset Audio Mic Splitter AUX Cable Adapter TRRS to 2 TRS For Tabs PC's DAB Audio Interface – Hotel Amenities & Travel Accessories