HP Poly Encorepro 520 Wired Stereo Headset Black

HP POLY ENCOREPRO 520 WIRED OVER-THE-HEAD, ON-EAR STEREO HEADSET - BLACK - BINAURAL - SUPRA-AURAL - 20 HZ TO 16 KHZ - 78.5 CM CABLE - NOISE CANCELLING, OMNI-DIRECTIONAL, UNI-DIRECTIONAL MICROPHONE - NOISE CANCELING - QUICK DISCONNECT, USB FEATURESThe 520 headset provides plenty of freedom with wired connectivitySharp looking over head design will give you a comfortable fitThese supra-aural EncorePro give you the comfort of portabilityFeatures Quick Disconnect connectorBoom microphone is designed in such a manner that it will never miss a word you sayImmense yourself in quality sound with this stereo headsetHear low subs and soaring vocals with a frequency range of sound from 20 Hz-16 kHzSPECIFICATIONSHost Interface: USB, Quick DisconnectMicrophone Technology:Uni-directionalOmni-directionalNoise CancellingMicrophone Design: BoomSignal to Noise Ratio (SNR): 50 dBEarpiece Design: On-earOver-the-headEarpiece Type: BinauralDriver Size: 0.6 cmApplication/Usage:HomeMobile DeviceCommunication