Enjoy crystal-clear audio with the HP Poly Voyager Surround 85 UC headset. Powered by Bluetooth, it offers up to 98.4ft. (30m) wireless range for ultimate freedom of movement. Adaptive active noise cancellation (ANC) reduces background noise to help you stay focused. Touch controls make operation simple, while ultra-soft ear cups ensure lasting comfort for hours of use. | HP Poly Voyager Surround 85 UC Over-Ear Noise Cancelling Bluetooth Headset - Black