Amazon.com: Global Teck Worldwide 504P USB Adapter for Plantronics and Addasound Headsets Connects to Headset to PC, MAC, Lync, Skype & USB VoiP Phones - Mute, Volume and Quick Disconnect : Cell
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
Plantronics DA60 USB Adapter w/persono 2.0 software - 63725-01