Plantronics 218470-02, Poly Voyager 4310 UC, On-Ear, Mono, USB-A, Wireless+Bluetooth, 1 Year Warranty

HP/Poly 77Y92AA, Voyager 4310 UC, Bluetooth Mono Headset, Charging Stand, BT700 Dongle, USB-A, 2 Year Warranty (Works with Mobile and PC)