Cost-effective Headset for Speech Recognition Duo,Noise canceling
microphone, Neodymium magnet speaker , 300° rotatable and
bendable boom , Adjustable headband , Plug-and-Play and easy to
manage the call with mute,volume+ and volume-,Compatible with
Microsoft® Windows 10, Windows 8, Windows 7, Vista®,Windows
XP, Windows 2000 and Mac® OS X