Make calls and conversations effortless with the HP Poly Voyager 4310-M headset. Powered by Bluetooth technology, it offers up to 50m of wireless range for flexible movement. Enjoy crisp, detailed audio with a frequency response of 20Hz to 20kHz. When needed, switch to corded USB mode to extend the battery life while staying connected. | HP Poly Voyager 4310-M On-Ear Noise Cancelling Bluetooth Headset - Black