Cell-phone TRRS Headset - Earbud Headphones w/ Microphone : ID 1966 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Koka ST-24 Headphones and Fona - Lot 1058930 | ALLBIDS
Game One PH - The HORI Stereo Headset "Empera Hook HDP" for the Nintendo Switch is now available at Game One PH! A stereo headset designed after an in-game item in Splatoon
Fona - IC-520A - Stereo - Headphone - Catawiki
Adafruit FONA - Mini Cellular GSM Breakout uFL Version