NEC SL2100 Wireless Headset Adapter - TelephoneSystemsDirect
NEC Headsets - Everything You Need to Know for NEC Telephones
NEC compatible Headsets | Corded and Wireless headsets for NEC phones | Use in office, help desk, call center, receptionist, health care facility
Plantronics CS540 Wireless Headset Package for Polycom IP Phones
Amazon.com: OvisLink NEC Phone Headset with Noise Canceling, Built-in Acoustic Shock Protection & Include RJ9 Quick Disconnect Cord | Call Center Headset Compatible with All NEC Telephones, HD Voice : 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
Amazon.com: OvisLink NEC Phone Headset with Noise Canceling, Built-in Acoustic Shock Protection & Include RJ9 Quick Disconnect Cord | Call Center Headset Compatible with All NEC Telephones, HD Voice : Electronics
OFFICE PHONES-5-NEC MODEL IP4WW ONE WITH WIRELESS HEADSET - cell phones - by owner - electronics sale - craigslist