Plantronics Blackwire C720-M Wired Headset

Corded reliability meets wireless flexibility. The Black wire 700 Series is the versatile UC headset that offers high-quality PC audio and seamless Bluetooth connectivity to mobile phones and tablets. Enjoy unmatched audio quality, industry-first Smart sensor technology that automatically answers a Call when you put on the headset, and a detachable cable for taking your mobile calls throughout the office. Compatible with Windows and Mac OS. Wireless frequency - Bluetooth v3.0 + EDR. Unused/