Amazon.com: Plantronics - Voyager Focus UC with Charge Stand (Poly) - Bluetooth Dual-Ear (Stereo) Headset with Boom Mic - USB-A Compatible with PC and Mac - Active Noise Canceling - Works with
Plantronics Voyager Focus UC, NO Stand, BT600-C, WW
A 'Hi-Fi' Bluetooth adapter doesn't help Plantronics' new headphones | Engadget
Plantronics - Office Machine Supplies & Accessories; Office Machine/Equipment Accessory Type: Headphones; For Use With: PC; Tablet; Mobile; Contents: 3.5 mm Audio Cable; Headset; Carrying Case; USB Charging Cable; BT600; Quick Start
How To Pair Your Plantronics Voyager 4200 UC With The BT600 USB Adapte