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
Dual 3.5mm Female to RJ9 Male Plug Headset Jack Phone Audio Adapter Cable
Amazon.com: TruVoice USB to QD Adapter Cable Compatible with Any Plantronics or Poly Wired Headset with a Quick Disconnect (QD) - Includes in-Line Volume Control and Mute Functionality : Industrial & Scientific
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
Standard 3.5mm Jack Smartphone Headset Adapter Cable Converter to RJ9 Plug for Telephone - Walmart.com
Amazon.co.jp: Replacement to 3.5mm 2.5mm Adapter for Phone Headset Earphone : Electronics
USB-C Headphone Adapter for Galaxy S20/Ultra/Plus Phones - Earphone 3.5mm Jack Charger Port Splitter Mic Support Hands-free Type-C Headset Adaptor B4Q for Samsung Galaxy S20/Ultra/Plus - Walmart.com
Icom Aviation Headset Adapter for A16E Handheld Transceiver