HP UC Wireless Duo Bluetooth Noise Cancelling Headphone with Dual connectivityHP UC wireless duo headset and get premium stereo sound and noise cancelling even in the busiest environments and designed like that's comfortable to wear throughout the work day. Compatible with PC's with available USB port for windows devices, bluetooth or NFC for mobile devices. Easy to answer call, end call, and mute calls and adjust volume with the touch of a button. A busy light cues passersby not to interrupt your call and long battery life