Plantronics DA55 USB to Quick-Disconnect Adapter

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Bring digitally enhanced audio quality and the comfort of Plantronics headsets to Voice over Internet Protocol (VoIP) softphones with the Plantronics DA55. The DA55 includes a USB- to-headset adapter with digital signal processing (DSP) for crisp, clear sound.The Plantronics DA60 offers all the same features as the DA55, plus an in-line mute switch and PerSono Pro 2.0 software for great control of voice and audio quality. Show more