Now-a-days 3.5mm is the universal audio jack size to be found in Smartphones, PC and Laptops. Also, for hobbyists 3.5mm audio jack is a useful components for projects that plug into headphone jacks.
Cubilux USB C Mic Splitter for Lav Microphone,TRS Headphone Mic with Mic Gain(Up to +12dB),Type C to 3.5mm Microphone Adapter Suitable for
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3.5mm mono 2 pole female jack to bare wire replacement audio cable. Wiring diagram: PIN 1 - red wire is mono audio; PIN 2 - black wire is ground.
Fancasee 2 Pack Replacement 3.5mm Female Jack to Bare Wire Open End TS 2 Pole Mono 1/8 3.5mm Jack Plug Connector Audio Cable Repair
Fielect 15Pcs PCB Mount 2.5mm 3 Pin Socket Headphone Stereo Jack Audio Video Connector PJ210 Black : Electronics
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CableWholesale 3.5mm Stereo Extension Cable, 3.5mm Male to Female Nickel Plated Connectors, 26 AWG, 3.5mm Audio Extension Cable, Black, 6 feet : Electronics
HOSONGIN 1/4 to Dual 1/8 Splitter Cable has one 1/4 inch(6.35mm) TRS Stereo Plug and two 3.5mm(1/8 inch) Female Stereo Jack, it help you connecting
HOSONGIN 6.35mm 1/4 inch TRS to Dual 3.5mm 1/8 inch Female Headphone Splitter Y Cable Adapter, 1/4 Inch 6.35mm Stereo Plug Male to Dual 1/8 Inch 3.5mm
Cubilux USB C Mic Splitter for Lav Microphone,TRS Headphone Mic with Mic Gain(Up to +12dB),Type C to 3.5mm Microphone Adapter Suitable for Recording-USB C Support Android,Ipad OS,Mac OS,Window etc : Electronics
Super VGA cable with audio jack of 3.5 mm male male 30 meters - Cablematic