Chat with us, powered by LiveChat
Plantronics Blackwire C435M Corded USB Headset
Plantronics Blackwire C435M Corded USB HeadsetPlantronics Blackwire C435M Corded USB HeadsetPlantronics Blackwire C435M Corded USB HeadsetPlantronics Blackwire C435M Corded USB Headset
delivery dpd
Order soon for delivery on using our express service

Plantronics Blackwire C435M Corded USB Headset

Quick Code:





(£83.99 Inc. VAT)
RRP: £89.99 + VAT
Save: £20.00 (22%) + VAT



Call 01675 432 123 for Availability

Key Features:

  • Connects to PC via USB Connection
  • Convertible monaural/binaural corded USB headset
  • Discreet over the ear wearing style
  • Optimized for Microsoft Lync
  • In line call controls
  • Option of behind the neck wearing style (neckband sold separately)

Plantronics Blackwire C435M Corded USB Headset

Are you looking to Buy Computer and USB Headsets?

The Headset Store Stock the largest choice of Business Headsets in the UK and can provide Next Day Delivery on all items ordered from us. All of our listed USB headsets are guaranteed to work with PC's and are perfect for remote workers and softphone users.

We supply thousands of headsets to UK Businesses every single year and have extensive knowledge of most Business Telephone Systems which means we can help you to make an educated choice on the most suitable Business Headset for your needs.

Product Information

The Plantronics Blackwire C435M is a discreet corded USB headset that offers superb sound quality for softphone communications, video conferences or listening to media, with wideband audio and dynamic EQ.

With a noise cancelling microphone, background noise is supressed, while DSP technology prevents echos and distortion and SoundGuard technology protects users against sudden loud noises.

Handling calls is made easy thanks to inline call controls and indicator lights that show call or mute status.

This high perfomance headset offers versatility in terms of wearing style. Users can opt for either one or two earhooks for mono or stereo sound, and a neckband is also available (sold separately) for people who want an even more discreet headset. It also comes with a protective carry case.

This headset is optimized for Microsoft Lync, but is compatible with all softphones.


  • USB Connection For PC Compatibility
  • Inline Call Controls, (mute, call answer/end)
  • Call/mute indicator lights
  • Wideband Sound
  • Noise Cancelling Microphone
  • Dynamic EQ; Automatically Adjusts Sound According to Use
  • DSP For Natural Sounding Voice Clarity
  • Compatible With All Softphones - Optimised for Microsoft Lync

Do you need help choosing the right Business Headset? Call Headset Store free on 01675 432 123.

Model:  21599
Bar Code:  5033588036456
Part Number:  85801-05
Brand:  Plantronics
Corded or Cordless:  Corded
New or Refurbished?  Brand New
For Use With:  For PC Only
Connects Using:  USB
USB Type:  USB-A (Standard)
Wearing Style:  Double Ear (Duo)
Microsoft Teams:  Microsoft Teams Compatible
Skype for Business:  Skype for Business Compatible
Zoom:  Zoom Compatible
Headset Model:  Plantronics Blackwire


Shipping & Delivery of the Plantronics Blackwire C435M Corded USB Headset

All items ordered from The Headset Store are shipped for speed as well as security.

We use DPD as our only courier and charge a UK mainland flat rate carriage fee of only £6.95 + VAT no matter how many items you order from us. When you spend over 200 exc. VAT we will ship your order FREE of Charge*

  • We will not dispatch items if you do not have a physical address.
  • Orders will only be automatically dispatched within the UK. International Shipping to certain countries is available at an additional cost to our flat rate.
  • You will always have the opportunity to see the full amount of your purchase, including delivery charges, before you confirm your order.
  • All orders are subject to fraud checks carried out by both our merchant bank and our own fraud scoring systems.
  • *Free Delivery Offer Applies Only to UK Mainland Destinations.

When you place an order, you will also receive a confirmation email from us when your order is ready to ship.  From this email you will also be able to check the status of your consignment with DPD who will provide tracking information.

Why you should shop with The Headset Store

Our website is fully encrypted to the with the highest 256 bit security standards where our entire site enjoys full and dedicated SSL Certification for full PCI compliance. We do not store your your credit card details.

If you need help then our team are available from Monday to Thursday (between 9:00am and 5:30pm GMT) and on Friday (between 9:00am and 4:30pm GMT)

Please call us on 01675 432 123 to discuss your order and any specific delivery instructions.

Other reasons you should buy from us

  • 14 Day Satisfaction Guarantee, so you'll always find a headset you'll love
  • Genuine UK stock with 100% manufacturer warranty
  • Lowest Price Guarantee
  • No surcharges on credit cards.
File Type File Name Download
Blackwire 435 User Guide

Click here to download!



success shield Why Purchase Through Headset Store?

The Headset Store are an established and trusted
Business Communications Supplier and we have extensive experience in our field

When you buy from us
we guarantee the following:

Complete Satisfaction when you order from us

The Best Knowledge of Business Headsets

We offer Next business day delivery on all orders

We offer as standard a Full 12 Month Warranty


The Headset Store aim to provide the best possible service when you place an order with us.

We use Trustpilot encouraging customers to leave open and honest reviews about their experience.

Our current review score is shown below:

FREE UK Delivery (MAINLAND) > £200
100% Secure Payments
Next Day Delivery
Over 34,500 UK Customers