Give your teams and customers the quality audio you expect from Poly, with a flexible noise-canceling microphone to tune out background buzz and chatty neighbors. Better understanding leads to better outcomes, and happier customers. That's why we use voice-optimized frequency response to make conversations clearerand more accurate. 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 Hearing protection technologies SoundGuard DIGITAL Signal-to-Noise Ratio (SNR) 53 dB LED indicators Yes Cable colour Black Cable length 2.19 m Control type Buttons Control unit type In-line control unit Volume control Button Operating keys Answer/end call, Mute, Volume +, Volume - Product colour Black Headset type Monaural Recommended usage Calls/Music Wearing style Head-band Prod