New T400 Headset For POLYCOM 300 301 335 500 600 601 & 650 telephone phone black 738470147016 | eBay
Polycom Compatible Plantronics VoIP Wireless Headset Bundle with Electronic Remote Answerer (EHS) included | SoundPoint® Phones: IP 335, IP 430, IP 450, IP 550, IP 560, IP 650, IP 670, VVX300, VVX500, VVX310, VVX600, VVX400, VVX1500, VVX410
Plantronics H101 Binaural Voice Headset with U10P QD Cable for Polycom VVX 500 17229001176 | eBay