The HP Poly Voyager 4320 on-ear headset keeps you connected without constraints. This noise-cancelling Bluetooth headset offers a seamless connection up to a range of up to 164ft. (50m). Enjoy crisp, clear audio with a wide frequency response of 20Hz to 20kHz. Its sleek on-ear design ensures a comfortable fit for extended use. The boom mic is perfect for clear calls and gaming chats. | HP PolyVoyager 4320 On-Ear Noise Cancelling True Wireless Headset - Black