Buy Poly/Plantronics Blackwire USB-C Replacement Inline Control
Poly Blackwire C3215 USB Headset ( Plantronics ) - 3CX IPPBX 電話系統(香港) | Hong Kong Platinum Partner | Software Based IP Phone & Call Center Solution (HK)
Poly Plantronics Blackwire 3215 USB-C Headset
Plantronics Blackwire C3215 USB Headset [209746-201] - HK$538.20 : Alliance Systems & Appliances