Adapter for headphones 1x mini jack 4pin -> 2x mini jack 2-pin - Rebeltec
Delock Products 65590 Delock Adapter 3.5 mm 4 pin Stereo jack male > 3.5 mm 4 pin Stereo jack female (changes pin assignment)
Audio cable headset and microphone minijack 4 pin 3.5mm type male to female 10m - Cablematic
Hama Jack Adapter 4-Pin 3.5 mm Jack Plug 2x3.5 mm Jack Socket Black| Techinn
Amazon.com: PremiumCord 3.5mm 4 Pin Jack Cable for Audio and Voice Transmission, Allows Use of Microphone, Aux Headset Audio Connection Cable, M/M, Length 1.5 m : Electronics
GC AS-35V4B2: Audio cable, 3.5 mm 4-pin jack plug to female connector, 2.0 m at reichelt elektronik
Mini Jack 3.5 Plug | 3.5mm Jack 4 Pole | 4pin 3.5mm Jack | Jack 3.5 4 Pins | Mini Jack 4 Pin - Connectors - Aliexpress
Plug your iPhone Earphone into a Standard 3-Conductor Jack
Connector 3.5 mm stereo jack male 4-pin to AV - Cablematic
StarTech.com 3.5 mm 4-pin to 2x 3.5 mm 2-pin jack adapter cable - Audio adapter - LDLC 3-year warranty