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C315.1-M Blackwire Mono USB Headset w/3.5mm – Microsoft – Discontinued

Discontinued – Click for more info

Purchasing for business

  • As an authorized reseller of this product, business discounted pricing is only revealed via email as we cannot show it to the general public.
  • Every business order includes unlimited lifetime support from our Headset Helpdesk, saving you time and money.

Blackwire C315.1-M Mono Headset for Microsoft UC platforms provides an outstanding audio experience with PC wideband and a noise-canceling microphone comes with a 3.5mm connection for versatility across your devices

  • Manufacture Discontinued 09/18 – Replaced by Blackwire C3215
  • Certified for Skype for Business and optimized for Microsoft Lync
  • Easily manage calls from PC, smartphone or tablet with USB or 3.5mm connectivity
  • Ideal for voice, music, and multi-media applications
  • 3.5mm connectivity in addition to USB
  • Slightly larger speakers than previous model to provide a better music/call experience across devices
  • Leatherette ear cushion folds flat for easy portability
  • Unique “flexie” microphone lets you bend it to within one inch from the corner of your mouth, the correct position for a headset microphone. This allows for the best noise canceling which filters out background sound
  • The Dynamic EQ feature optimizes your voice quality when on calls and automatically adjusts the EQ settings when youre listening to music or multi-media
  • Intuitive inline controls to answer/end calls, control volume, and mute
  • Smartly placed indicator lights and helpful audio alerts give call, mute, and volume status
  • A lightweight metal headband offers durability and a custom, comfortable fit
  • Includes mesh zippered carry case (carry case not available for purchase separately as of 3/14)
  • Enhanced Digital Signal Processing (DSP) provides a more natural sounding voice
  • Wideband audio with noise-canceling for high quality PC telephony
  • SoundGuard technology provides protection against audio spikes
  • Plantronics optional software provides added benefits: 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
  • Headset icon where 3.5mm connects & PC friendly name includes a “.1” to distinguish difference from original Blackwire 315/325
  • 2 year Plantronics manufacturer’s warranty
BTP Model: PL-C315.1-M
MFR Part: 204440-101

Additional information

Weight 0.25 lbs
Dimensions 6.50 × 6.50 × 2.50 in


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User Guide PL-C315-M

Data Sheet PL-C315-M

Our Unmatched, Value-added Service Saves You Time, Money and Hassles:

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  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday“Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Manufacturer discontinued.


“Thank you also for keeping our best interest in mind and offering up the information, support and alternatives to resolve our issues so quickly. It is great to seeRead more

David V. (Seattle, WA)