Polycom Compatible VXI 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, VVX4
Amazon.com: INNOTALK Wireless Headset Compatible with Poly Polycom VVX300, VVX310, VVX400, VVX410 and Any VVX Model - Desk Office Phone Call Center Wireless Headset with EHS Remote Answering Cord Bundle(Pioneer) : Electronics
Plantronics C565 | Onedirect.co.uk
Bluetooth Headset with Microphone ENC Noise Canceling, V5.0 Stereo Wireless Headset with Flip-to-Mute Mic, 22H Talktime, Comfort Wireless/Wired Headphone with Mic for Laptop/Cell Phone/Office: Amazon.co.uk: PC & Video Games