2 pcs Plantronics Voyager 5200 HD Bluetooth Headset with Four-Mic Smart Sensor 17229164475 | 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
Plantronics Voyager Legend Bluetooth Headset review - The Gadgeteer