For the noisiest of environmentsThe Jabra Biz 2475 is intended for the loudest of office environments, such as call centers and open office environments.Employees can choose the wearing style that works best for themKeeps background noises from disrupting conversations with customersA durable choice with a break-proof boom armThe ultra noise canceling technology helps your employees' voice carry, so they can speak at a normal, professional level and still be heard by the customer.Connectivity Technology: WiredSound Mode: MonoMinimum Frequency Response: 300 HzMaximum Frequency Response: 3.40 kHzFeatures: Noise ReductionFeatures: Adjustable HeadbandFeatures: DurableEarpiece Design: Over-the-headEarpiece Type: MonauralMicrophone Design: BoomHost Interface: Quick DisconnectForm Factor: Supra-auralLimited Warranty: 1 Year