The excellent sound quality surpasses anything you might have experienced before in the way of a Phone Headset - which is why you will feel that GN Netcom 2100 Flexboom Mono Phone Headset brings you closer to the person you are talking to. The attractive and unique 3-in-1 design of the GN Netcom 2100 FlexBoom Mono Phone Headset takes personal comfort to a new level, allowing you to choose at any time the most comfortable wearing style - either a headband, SureFit earhook or adjustable FlexLoop.