3.5mm audio jack adapter 4pin female to 2.5mm male jack - Cablematic
10pcs/lot Mini Jack 3.5mm 4 Poles Male Plug Aluminum Shell Stereo 4Pin 3.5 Jack Wire Connector Heaphone Earphone Plug - AliExpress Lights & Lighting
Solved] Replacing the 3.5mm 4-pin Mini Jack in headphones with a microphone
Delock Products 62498 Delock Cable Stereo jack 3.5 mm 4 pin > Stereo plug 3.5 mm 4 pin (changes the pin assignment)
Buy 10 Pcs PCB Panel Mount 4 Pin 1/8" 3.5mm Female Socket Stereo Headphone Jack Good Quality at affordable prices — free shipping, real reviews with photos — Joom