Grandstream GUV3000 HD USB Headsets with Noise Canceling Mic
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: Grandstream Phone headset with 2 earpieces on both ears | Noise Canceling Microphone Call Center Headset Compatible with Grandstream High-End IP phones | RJ9 Headset Quick Disconnect Included : Electronics