Amazon.com: INNOTALK Wireless Headset Compatible with Poly Polycom VVX300, VVX310, VVX400, VVX410 and Any VVX Model with EHS Remote Answering Cord Bundle(Pioneer) : Electronics
Amazon.com: OvisLink Wireless Headset Compatible with Polycom Phone VVX600, VVX601, Telephones Support Bluetooth headsets, Cellphones and Computers : Electronics
OvisLink Wireless Call Center Headset compatible with all computers, cell phones and desktop phones support Bluetooth headset function. Compatible with Polycom Mitel FortiFone Allworx AT&T and more