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 5200 UC Bluetooth Mobile Headset + BT600 USB Adapter& Case 17229151888 | eBay
Plantronics BT600 Bluetooth USB Adapter/Dongle - Headsets Direct