Amazon.com: Headphone 3.5mm Splitter Mic Cable for Computer, KOOPAO Headset 3.5mm Female to 2 Dual Male Microphone Audio Stereo Jack Earphones Port to Gaming Speaker PC Adapter : Electronics
Headphone Jack Sizes & Plugs Explained - Midnight Magic Sounds
USB-C Headphone Splitter/Dongle with Mic - Audio Cables and Adapters | StarTech.com Europe
Audio Jack Insulator - Prevents Audio Interference
The 19th Century plug that's still being used - BBC News
SCM-PRO 3.5 mm Stereo Jack 1 Male To 2 Female Headphone Audio Y Splitter Cable
Amazon.com: Cubilux 3.5mm to Double Audio Jack Headphone Sharing Splitter Compatible with MacBook iPad iPod, Smartphone, Computer, Laptop, Tablet, MP3, 2-Way 3.5 mm Earphone Ports Adapter, Dual Headsets Connector : Electronics
Was ditching the headphone jack a good idea? - SoundGuys