Stay focused and connected with the HP Poly H251N-CD headset. This wired headset has an on-ear design and cushioned earmuffs that ensure comfort. Monoaural sound keeps distractions at bay, and a noise-cancelling boom microphone offers precise voice clarity. With a four-pin Quick Disconnect connector, switching between devices is effortless. | HP Poly H251N-CD On-Ear Noise Cancelling Wired Headset