MEE audio 3.5mm to 2.5mm stereo audio adapter for select Sennheiser, JBL, Klipsch, and Bose headphones
AKORD 3.5mm To 2.5 mm Audio Headphone Jack Adpater Cable: Amazon.co.uk: Electronics & Photo
New Jack Headset Adapter Stereo Audio 2.5 mm Male to 3.5 mm Female Headphone | eBay
Josi Minea 2.5mm Male to 3.5mm Female Audio Adapter Palestine | Ubuy
4Pole 3.5mm/2.5mm Female to 2.5mm 3.5mm Female Headset Adapter Stereo Jack | eBay
3.5mm Aux Male to 2.5mm Female Adapter Stereo Headphone Jack Plug Converter | DIY at B&Q
3.5mm to 2.5mm / 2.5 mm to 3.5 mm Adapter Converter Stereo Headphone Jack | eBay
2.5mm / 3.5mm Headset Audio Adapter
Headphone Adapter 3.5mm to 4.4mm by iFi audio - Convert your 3.5mm single-ended headphones to work with a 4.4mm Balanced output.
2.5mm Jack Micphone Earphone to 3.5mm Audio Adapter Converter for Microsoft Xbox 360 Controller Headset Headphone: Amazon.co.uk: PC & Video Games
Phone connector (audio) - Wikipedia
3.5mm Headset Bottom Connection Lead | Headset Store
Cables used with Phonak Roger Systems - FM Hearing Systems
HUHANGGod Angled 2.5mm Male to 3.5mm Female Audio Cable Headphone Adapter, 4 Pole 2.5 to 3.5 Stereo Earphone Headset Converter 20cm (2.5mm Male 90Deg To 3.5mm Female) : Amazon.co.uk: Electronics & Photo
Unlimited Cellular Headphone Adapter Connect Cable | Use Your Favorite 2.5mm Headset With Your 3.5mm Device | Fruugo UK
RJ9 to 3.5mm 2.5mm Plug Adapter Connector For Telephone Headset Earphone | eBay
4Pole 3.5mm/2.5mm Female to 2.5mm 3.5mm Female Headset Adapter Stereo Jack | eBay
64 Audio 8-Braid 2.5mm to 3.5mm Cable Adapter
3.5mm Stereo Jack Plug to 2.5mm Mono Socket Adapter Converter Xbox 360 Headphone | DIY at B&Q
3.5mm Male to 2.5mm Female Audio Adapter - from LINDY UK
Vention 3.5mm Female to 2.5mm Male Audio Adapter Converter Premium Quality Headphone Earphone Headset 2.5mm to 3.5mm 3 Ring Jack Stereo or Mono(2 Pack): Amazon.co.uk: Electronics & Photo
2pcs 2.5mm/3.5mm Audio Adapter for Headset Earphone 3.5mm Female to Female Jack Stereo Adapter Connector Audio Extension Cable - AliExpress
TNP 2.5mm to 3.5mm Adapter Cable (15FT) - Bi-Directional Male to Male 2.5 to 3.5 Subminiature Stereo Audio Jack Extension Converter Cable Gold Plated Headset Headphone AUX Connector Wire Cord Plug: Amazon.co.uk: