Amazon.com: EPOS Enterprise BTD 800 USB | USB-A Bluetooth dongle|Connect Any EPOS Bluetooth Audio Devices Your PC/Mac with a Rapid Bluetooth Connection via This USB-A Dongle, Black : Electronics
ISITZEN — Sennheiser Presence Firmware
Amazon.com: Sennheiser Presence UC (504576) - Dual Connectivity, Single-Sided Bluetooth Headset for Mobile Device & Softphone/PC Connection, with Carrying Case and USB Dongle, Major UC Platform Compatible (Black) : Cell Phones &