Amazon.com: Plantronics BT600 - Network adapter - USB - Bluetooth (Renewed) : Electronics
Plantronics Voyager 4220 Stereo Bluetooth Mobile Headset B4220T + BT600 Adapter 17229164437 | eBay
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
Bluetooth Range Extender - Blue Beacon for Bluetooth Headphones, Headset Speakers Keyboard Mouse, Logitech, EPOS, Plantronics Jabra USB-A BT Dongle Works with Desktop Wireless Laptop Includes Poly BT600 USB-A (GTW 8300-01-BT600A)
Plantronics Voyager Focus B825 Wireless Stereo Bluetooth Headset (No BT600) 17229150003 | eBay