Polycom headset | Wireless phone headset from Polycom
Polycom Compatible Sennheiser D10 Wireless Headset with Polycom EHS included | SoundPoint Phones: IP 335, IP 430, IP 450, IP 550, IP 560, IP 650, IP 670, VVX 101, VVX 201, VVX300, VVX310, VVX400, VVX410, VVX500, VVX600, VVX1500