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Item#: 0TH-000R-00135CVF

PLANTRONICS 88861-02 USB Connector Supra-aural Blackwire C520-M Binaural/Stereo Headset

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  • 20Hz-20KHz
  • USB Connector

  • Overview
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  • Warranty & Returns
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Blackwire C520-M


The PLANTRONICS Blackwire C520-M brings together unmatched audio quality, user-friendly design, all-day comfort, and easy portability, ideal for extensive PC communication and multimedia applications.

It delivers PC wideband audio with noise-canceling microphones for high-quality PC telephony, and provides hi-fi stereo sound for unmatched audio clarity when listening to multimedia. The Dynamic EQ automatically adjusts audio settings between voice calls and music.

It can easily and intuitively juggle PC calls and multimedia. The industry-first Smart Sensor technology lets you answer a call by simply putting on the headsets. The intuitive, inline controls enable one-touch call answer/end, vol +/-, and mute.

With ultra-soft leatherette ear cushions and a lightweight headband, you’ll enjoy all-day comfort and a secure fit. When work takes you on-the-go, simply fold the ear cushions flat, and store in the included carrying case.

Blackwire 500 Series Overview
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Experience industry-first Smart Sensor technology that lets you answer a call by simply putting on the headset – making it the most productive and versatile corded headset on the market.

general information


Offering PC wideband, noise-canceling microphone and hi-fi stereo sound, the Blackwire C520-M provides a truly outstanding audio experience – making it ideal for conference calls, webinars, listening to music and other multi-media. The SoundGuard technology provides protection against audio spikes. The Dynamic EQ feature optimizes your voice quality when on calls and automatically adjusts the EQ settings when you’re listening to music or multimedia.


Simple, intuitive, inline controls let your answer/end, mute, and control the volume of your calls with ease. Inline indicator lights and user-friendly audio tone alter user the connection, mute and volume status.

general information


Ultra-soft leatherette ear cushions and lightweight headband mean all-day comfort and a secure fit. The Blackwire C520-M features ear cushions that fold flat, and includes a high-quality carrying case for easy storage and portability.

general information


With Plantronics Spokes software, you can get the added value of:

  • Call control across multiple softphones.
  • Headset control panel allows for customization of settings, including call notification and related options.
  • UC presence automatically updated when on a call.

Learn more about the Plantronics 88861-02

Warranty, Returns, And Additional Information
  • Return Policies
  • We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2017 and December 24, 2017 you will have until January 31, 2018 to return your product. There's nothing additional that you have to do!
    • Return for refund until: January 31, 2018
    • Return for replacement until: January 31, 2018
  • This item is covered by's Extended Holiday Return Policy.
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