3.5mm audio jack adapter 4pin female to 2.5mm male jack - Cablematic
Delock Products 85848 Delock Audio Cable 2.5 mm 4 pin stereo jack male to 2 x MMCX male 1.20 m
3.5mm audio jack adapter 4pin male to female 2.5mm jack - Cablematic
4 Pole 3.5mm Plug Male Headphone Jack 3.5 Mm | Audio Cable 3.5mm Jack Male 4 Pole - Audio & Video Cables - Aliexpress
DELOCK 65674: Audio cable, 2.5-mm jack plug to 3.5 mm coupling, 0.17 m at reichelt elektronik
4pin Trrs 2.5mm Jack Socket Video | Trrs 3.5mm Stereo Mic Adapter - 3.5mm Adapter 2 - Aliexpress
DELOCK 65674: Audio cable, 2.5-mm jack plug to 3.5 mm coupling, 0.17 m at reichelt elektronik
DELOCK 65967: Headset Adapter 3.5 mm 4 pin Stereo jack female > 2x 3.5 mm 3 pi at reichelt elektronik
Amazon.com: ienza 2.5mm Male 3-Pole to 3.5mm Female 4-Pole TRRS Headset Jack Adapter Compatible with Panasonic Cordless Phones to Headsets or Headphones with a 3.5mm TRRS Plug (Mic & Headphone) : Electronics
Headphone Jacks and Plugs: Everything You Need to Know - Headphonesty
InLine 99308F Jack Adaptor Cable 4-Pin 2.5 mm male / 4-pin male 3.5 mm socket, 3 m: Amazon.de: Electronics & Photo
Delock Products 65367 Delock Adapter Audio Stereo 2.5 mm 4 pin plug > 3.5 mm 4 pin jack
Amazon.com: Fancasee (2 Pack Replacement 2.5mm Female Jack to Bare Wire Open End TRRS 4 Pole Stereo 2.5mm Jack Plug Connector Audio Cable for Headphone Headset Earphone Microphone Cable Repair : Electronics
2.5 Mm Stereo Female 3.5 Male Plug Adapter - 1pcs Gold Right Angle 3.5mm 3 4 - Aliexpress
Reduce 3.5mm 4-Conductor Plug to Fit into 2.5mm TRRS Jack
Amazon.com: 2.5mm Male to 3.5mm Female Audio Adapter Gold Plated Aux Auxiliary Plug Splitter 3 Ring Jack Support Converter Headphone Earphone Headset Stereo or Mono(2 Pack) : Electronics