Plantronics Blackwire 7225 USB-A Corded Headset - Black

Features:

• Ideal for all-day use
• Active Noise Canceling
• Four microphone, noise-canceling boomless design
• Intuitive controls
• Connectivity options
• Mute status indicator

Specifications:

• Audio profiles Dynamic EQ for telephony and music
• Codecs 24-bit audio at up to 96 Khz sample rate
• Receive audio performance Active noise canceling (ANC)
• Open microphone Yes
• 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