Amazon.com: VoiceJoy Headset Adapter/Converter VoIP 2.5mm Headset to RJ9/RJ10 Plug ONLY for Cisco Phones,Cisco 794X 797X 796X 88XX 99XX Series : Electronics
DELOCK 65967: Headset Adapter 3.5 mm 4 pin Stereo jack female > 2x 3.5 mm 3 pi at reichelt elektronik
Amazon.com: VoiceJoy Standard 3.5mm Jack Smartphone Headset Adapter Cable Converter to RJ9 Plug for Cisco Unified Office Telephone 7970 7940 7941 7942 7971 etc : Electronics
Headset Adapter, 3.5mm Jack Headphone Splitter CTIA Headphone Adapter Mic and Audio Cable with Separate Microphone and Headphone Connector for Gaming Headset to PC - 8inch/20CM Black - Walmart.com
Amazon.com: StarTech.com Headset Adapter, Microphone and Headphone Splitter - 3.5mm Male Aux to 3.5mm Female Audio & Mic Combo Jack Y Cable for Laptop / PC (MUYHSMFF) Black : Electronics
Headset Adapter Microphone and Headphone Splitter - 3.5mm Male Aux to 3.5mm Female Audio & Mic Combo Jack - Walmart.com
Amazon.com: daily headset QD USB Phone Headset Adapter Cable Compatible with Plantronics Quick Connect, Spk Volume Up Down Mic Mute Unmute in-line Controls : Electronics
5-Pin to General Aviation Headset Adapter Cable – Rugged Radios
LEMO to Helicopter Headset Adapter – Nflightmic.com
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
Yaesu Vertex Headset Adapter Cable With Ptt Connection For Fta 250L / 450L /550 / 550L / 750L | Aircraft Spruce