ADAPTOR TO CONNECT ICOM 2 PIN EARPIECE TO 1 PIN MOTOROLA TALKABOUT RADIO | eBay
General Aviation Headset to 5-Pin Adapter – Rugged Radios
Z-Tactical U94 Headset Cable Adapter & PTT for Hytera HYT 2-PIN Ham Radio | eBay
Delock Products 66437 Delock Headset Adapter 1 x 3.5 mm 4 pin Stereo jack male to 2 x 3.5 mm 3 pin Stereo jack female (CTIA)
Tactical headphone headset PELTOR PTT Push To Talk Z112 Headset Adapter 1 2 Pin Radio Airsoft military radio use|headset peltor|radio airsofttactical headphones - AliExpress
DELOCK 65967: Headset Adapter 3.5 mm 4 pin Stereo jack female > 2x 3.5 mm 3 pi at reichelt elektronik
DELOCK 65447: Adapter cable, headset jack (iPhone-type) at reichelt elektronik
Klein M1-3.5mm Female Adapter with Motorola 2 Pin Connector