The Cisco Headset 500 Series is a professional range of headsets designed for Cisco IP Phones and soft clients. These headsets are optimized for workers in open work spaces so they can be more productive with vibrant audio, powerful noise isolation and exceptional comfort.
 Connectivity Technology: WiredSound
 Mode:
 MonoImpedance: 90 OhmMinimum
 Frequency Response: 50 HzMaximum
 Frequency Response: 18 kHzNoise
 Canceling: YesSound
 Pressure Level: 118 dBEarpiece
 Design: Over-the-headEarpiece
 Type: MonauralMicrophone
 Design: BoomMicrophone
 Technology: ElectretMicrophone
 Technology: CondenserMicrophone
 Technology: Uni-directionalHost
 Interface: USB
 Form Factor: Supra-auralLimited
 Warranty: 2 Year