Receive audio performance Active noise canceling (ANC)
Open microphone
Receive frequency response 20 Hz – 20 KHz
Speaker sensitivity 127 dB ±1.5 dB
Speaker impedance 32 ohm
Speaker size 32 mm
Hearing protection SoundGuard® DIGITAL protects against sound levels above 118dBA; Anti-startle (during calls) detects and eliminates any large sudden increase in signal level; Time-Weighted Average prevents average daily noise exposure from exceeding 85 dBA (enabled by Plantronics Hub).
Microphone and technology Four omni-directional microphones
Microphone frequency response 100 Hz – 10 KHz
Microphone sensitivity -26 dBFS +/- 3dB
Weight 0.34 lbs/5.5oz/155g
Call controls Call answer/end, mute, volume
Media controls Mute, play, pause, track forward, back
Voice alerts Mute on, mute off, muted, volume maximum, volume minimum, redial, redialing last outgoing call, answering call, noise cancellation off, OpenMic on, OpenMic off
Worldwide Limited Warranty 2 years global
Supported applications Plantronics Hub for Windows/Mac. Plantronics Manager Pro suites: Asset Management & Adoption, Call Quality & Analytics, Health & Safety