Headset Adapter Cable w/ Stereo Audio Aux Y-Splitter (356107)
Andrea Communications EDU-USB External USB Headset Adapter
Amazon.com: D & K Exclusives Headphone Splitter for Computer 3.5mm Female to 2 Dual 3.5mm Male Headphone Mic Audio Y Splitter Cable Smartphone Headset to PC Adapter : 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
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: daily headset QD USB Phone Headset Adapter Cable Compatible with Plantronics Quick Connect, Spk Volume Up Down Mic Mute Unmute in-line Controls : Electronics
TruVoice QD to USB Connection Cable (with volume control and mute)
Headset Audio Cable 3.5mm for Computer Headset Adapter Mic and Audio Headphone 2 in 4 Cable for Gaming Headset to PC, Red Green Model without Buckle - Walmart.com
Headset Adapter Cable with 2.5mm Plug for Cisco | Business Telecom Products
Use iPhone Earphones with 3-Conductor Stereo Devices
StarTech.com Headset adapter for headsets with separate headphone / microphone plugs - 3.5mm 4 position to 2x 3 position 3.5mm M/F - Turns a 3.5mm audio output port into two distinct ports:
Amazon.com: ENVEL 3.5mm Jack Cable Headset Adapter Kit Mutual Convertors for Laptop,Mac,PS4,Smartphone,Xbox One,Tablet Earphone with Headphone/Microphone Simultaneously Y Splitter Audio 2 Female to 1 Male : Electronics
Point Source Audio ADP-4MxPH PSA Headset Adapter Cable ADP-4MXPH