The Agent 200 has a noise cancelling microphone which cancels out extraneous noise from other sources. Combined with the double earpiece, it has excellent sound quality and makes it ideal for noisy offices when you want to focus attention on the call. It has an adjustable headband to ensure maximum comfort, a flexible boom that you can adjust to suit your own preference and leatherette ear cushions, so the earpieces sit comfortably over your ears. . double ear headset . Noise cancelling microphone . Adjustable microphone boom . Adjustable headband . flexible boom . Leatherette ear cushion(s) . Quick disconnect . CE approved . 2 year warranty