3.5mm Headphone Stereo Audio Mic Y Splitter,Dual 3.5 mm Plug (Audio + Microphone) to 4 Pole Comob Jack Aux Adapter for 4 pin 3.5mm Plug Smartphone Earphone - Newegg.com
3.5 mm 3 pin revolution 4 pin 3.5 mm jack female stereo AUX audio connector extender headphone jack adapter|Computer Cables & Connectors| - AliExpress
Amazon.com: Headset Audio Stereo Splitter Kit, U Shape 3 Pin 3.5mm Jack to 2 Headphone + U Shape 4 Pin Adapter to 2 3.5mm 4 Pin Earphone with Mic for Phones, Computers,
39054573 Hama Jack Adapter, 4-pin 3.5 mm jack plug - 2x 3.5 mm jack socket | hama.com
3.5mm Mini Female Jack Stereo 4 Pin 4 Wire Audio W/ Cable Cord Connector DIY 1FT | eBay