Amazon.com: daily headset USB Adapter Cable Compatible Plantronics QD (Quick Disconnect) to USB Plug, Speaker Volume & Mic Mute Control Connects Headset to PC, Laptop, Soft Phone and More : Electronics
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
VoiceJoy QD to USB Adapter Similar DA70 DA80 Headset Quick Disconnect to USB Cable for Plantronics Headsets
Quick Disconnect To Usb Headset Adapter Qd Cable Adaptor For Jabra Gn Headsets - Earphone Accessories - AliExpress
DA40 USB Headset Adapter
Amazon.com: TruVoice USB A to QD Adapter Cable Compatible with Any Plantronics or TruVoice Wired Headset with a QD. Cable Includes Volume Control and Mute Functionality : Industrial & Scientific
Plantronics 3.5mm to Quick Disconnect Adapter for iPhone, Android and Other Smartphones, Cisco 8821
PLANTRONICS U10P-S19 QD to RJ-45 Cable, Aastra, Siemens Phones 38340-01