Enjoy clear, reliable audio with the HP Poly Blackwire 3320 on-ear headset. With a 20Hz to 20kHz frequency range, it delivers excellent sound clarity. The 180-degree pivoting speakers and flexible boom microphone provide a customizable fit for optimal use. A padded headband and pillow-soft ear cushions ensure comfortable all-day wear. | HP Poly Blackwire 3320 On-Ear Noise Cancelling Headset - Black