Poly EncorePro 320 Stereo USB-C Headset TAAPoly EncorePro 320 Stereo USB C Headset TAA Comfort. Reliability. Value. Make the most of every call. The EncorePro 300 Series, contact center headsets, are good for workers, callers, and your bottom line. Long lasting comfort. Total reliability. Noise canceling so customers hear clearly. And exceptional value. Performance Product type Headset Wearing style Head band Recommended usage Calls Music Headset type Monaural Product colour Black Operating