Amazon.com: Headset QD (Quick Disconnect),Compatible with Plantronics Headset.QD Cable with Single 3.5mm Plug for Smartphones Mobile Phones,Laptop etc : Electronics
Vega QD to USB Cable - Quick Disconnect to USB | Headset Store
Plantronics QD Cord to Analog (PC) 3.5mm Jack Adapter | Headsets.com
Poly MDA526 QD Digital Audio Processor | Buy Plantronics MDA526 212166-01 HP 8L547AA
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
Plantronics SP12 QD Headset
Qd To Usb Adapter Heaset Quick Disconnect To Usb Cable With Volume And Mute Switch For Plantronics Headsets - Protective Sleeve - AliExpress
Amazon.com: INNOTALK 2.5 mm Quick Disconnect Headset Compatible with Plantronics QD with Super Sound Monaural Noise Cancel Mic : Electronics
DA Series - Smarter digital adapters for Poly QD headsets | Poly, formerly Plantronics & Polycom