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
Headset Adapter Cable w/ Stereo Audio Aux Y-Splitter (356107)
StarTech.com Headset Adapter - Office Depot
USB-C Headphone Splitter/Dongle with Mic - Audio Cables and Adapters | StarTech.com
3.5 mm TRRS to Slim 3.5 mm TRRS - Headphone Adapter | Hosa Cables
Amazon.com: TruVoice USB to QD Adapter Cable Compatible with Any Plantronics Wired Headset with a Quick Disconnect (QD) - Includes in-Line Volume Control and Mute Functionality : Industrial & Scientific
Andrea Communications EDU-USB External USB Headset Adapter
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
DELOCK 65344: Headset Adapter 3,5mm 4pol - 2x 3,5mm 3pol at reichelt elektronik
StarTech.com Headset Adapter, Microphone and Headphone Splitter - MUYHSMFF - Audio & Video Cables - CDW.com
Amazon.com: Speedlink Headset Adapter HQ 4-Pin 3.5 mm Jack Plug to 2 x 3.5 mm Jack Microphone and Audio – Black : Electronics
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 Mic Splitter, 3.5mm Headset Adapter (Microphone + Audio) 2 TRS Female to TRRS Male CTIA Stereo Jack Y Cable Compatible for Dual-Plug Gaming Headset to Phone, Laptop, PC - Walmart.com
DELOCK 65459: Headset Adapter 3,5mm 4pol - 2x 3,5mm 3pol at reichelt elektronik
Yealink EHS60 Wireless Headset Adapter
Amazon.com: UGREEN Headphone Splitter 3.5mm 2 Female to 1 Male Mic and Audio Y Splitter TRRS Headset Adapter Cable Stereo Compatible with Laptop PS4 Xbox PC Phone Tablet Gaming : Electronics
5-Pin to General Aviation Headset Adapter Cable – Rugged Radios