Plantronics EncorePro HW510 89433-01 Wired Headset, with Noise-Canceling Microphone with QD Plug ,Updated version of HW251N - AliExpress Consumer Electronics
Plantronics HW510V with MO300 Mono Headset for Alcatel 8078s 8068s 8058s &8028s 17229144743 | eBay