By Bestbuy.com

Cisco Systems Consumer Products - Cisco 521 Headset - Mono - Mini-phone (3.5mm), USB - Wired - Over-the-head - Monaural - Supra-aural - Uni-directional - Black

The Cisco Headset 500 Series is a professional range of wired and wireless headsets optimized for Cisco IP phones and soft clients. These headsets are designed for workers in open work spaces so they can be more productive. They feature vibrant audio, powerful noise isolation, and exceptional comfort.