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C435 Blackwire On-the-Ear USB Headset Dual & Single Speaker UC – DISCONTINUED

Discontinued – Click for more info

Plantronics Blackwire C435 Headset for PC Provides Professional Sound With Your Choice of Single or Double Ear Wearing Styles

  • Manufacture Discontinued May 2020 – no direct replacement
  • Built for UC applications and softphones from Avaya, Cisco, Microsoft and more
  • Converts from stereo to mono easily
  • Discreet and small on the ear style
  • Comes with small hard shell travel case
  • Noise-cancelling microphone reducesbackground noise
  • Answer/end/mute controls simplify call management while inline indicator lights show call or mute status
  • Ideal for one-to-one calls, listening to music, webinar audio, conference calls, video conferencing, and PC phone usage in office or on-the-road
  • Connects to PC via USB
  • Total cord length 6.9′
  • See picture 2 above to see how the second ear bud connects
  • Optional neckband kit (sold separately) includes neckband and larger carrying case
  • Modular design gives end users a choice of mono or stereo audio options
  • Durable, portable design easily tucks into travel case, ideal for professionals on-the-go
  • Wideband delivers heightened speech clarity, providing the best possible PC audio quality, up to 6,800 HZ
  • Enhanced Digital Signal Processing (DSP) provides more natural sounding voice
  • Echo cancellation ensures quality sound
  • SoundGuard protects against sounds above 118 dBA
  • 2 year Plantronics manufacturer’s warranty
BTP Model: PL-C435
MFR Part: 85800-01

Additional information

Weight 0.4375 lbs
Dimensions 7.00 × 5.25 × 2.25 in


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User Guide PL-C435

Data Sheet PL-C435

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

  • Experienced consultants help you choose exactly the products you need, preventing unnecessary purchases
  • Free user setup help and training
  • 100% satisfaction guaranteed
  • Our team is committed to answering every call live during business hours
  • Same-day response to emails
  • Same-day shipping
  • 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

Manufacture Discontinued.

Sometimes this item is not in stock, due to low demand. In this case, expect a phone call or email from BTP Customer Service letting you know the estimated ship date.

If your order includes other products that are in stock, we will give you the option of waiting until all items are in stock to receive your order, or you may request a partial shipment of in stock item(s) with the special order item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


“You are my hero today in my world of Mondays! We have older headsets but I wasn’t here at the time of ordering. So glad I searched around andRead more

Melinda S. (Olympia, WA)