BT600 USB-A / USB-C Adapter - High-fidelity Bluetooth USB Adapter | Poly, formerly Plantronics & Polycom
Amazon.com: USB Adapter Compatible with Any Plantronics or TruVoice Wired Headset with a QD and Includes Volume Control and Mute Functionality (Connects Headset to PC, Laptop and Softphones) : Electronics
Plantronics DA40 USB Adapter at Rs 3480/unit | यूएसबी एडाप्टर - Vee Pee Inc, Delhi | ID: 11533454991
Plantronics USB Adapter-02 3.5mm to USB- PLT-USBadapter-02 – Buffalo Computer Parts