• Plantronics - 207577-03 Blackwire C5210 Headset - Mono - USB Type A - Wired
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Poly

Poly Blackwire C5210 Mono USB Headset (Renewed)

Poly Blackwire C5210 Mono USB Headset (Renewed)

Certified Renewed · 1-Year Warranty

$61.99 USD
$89.01 USD $61.99 USD
Sale Sold out
  • Free shipping
  • 30-day returns
  • 1-year warranty
Works withPC / softphoneUSB-A

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Shipping & Returns

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Shipping is always FREE

Orders placed before 3pm PST will ship that same day from California and will arrive within 2-5 business days. If you need faster shipping, at checkout there's expedited shipping options available. 

Returns are easy and free!

You have 30 days from the date of purchase to return your order for a full refund. Please follow the quick steps below to submit a return.

  1. Email your order number to info@renewedheadsets.com and please provide reason for return.
  2. Once return is approved, you'll receive an email with a pre-paid shipping label to return your order for a full refund
  3. Refunds take 2-5 business days to be issued from the day the return is received in our warehouse

*ALL RETURNS must have an RMA number on the box or the package will be refused and the return process will be delayed.

 

Warranty

Warranty replacements are fast and free, the way it should be!

Renewed Headsets covers you with a 1 year advanced replacement warranty for peace of mind. To get a warranty replacement, please follow the quick steps below.

  1. Email info@renewedheadsets.com with your order number and description of the issue.
  2. A replacement will ship that same day and you'll be emailed a pre-paid shipping label to send the defective headset back

*Please use the shipping label provided by Renewed Headsets or the package could get lost.

 *Warranty, service and support is covered from Renewed Headsets, NOT manufacturer.

View full details
Certified Renewed Grade A Cosmetics 1-Year Warranty Professionally Restored
How we refurbish

About this headset

The Poly Blackwire C5210 Mono is a USB-A wired headset built for computer-based calling and conferencing. It plugs directly into your PC over USB-A and is ready to use with softphone applications — no base station, charging, or pairing required. The single-ear (mono) design keeps one ear open for awareness, making it a practical choice for office workers and contact-center agents who want dependable, plug-and-play audio.

Key features

  • USB-A wired connection to your PC / softphone
  • Plug-and-play setup with no charging or pairing required
  • Noise-cancelling boom microphone to reduce background office noise
  • Mono wearing style that leaves one ear open for awareness
  • Consistent, latency-free wired audio for all-day use

This Blackwire C5210 is Certified Renewed: fully tested, professionally cleaned, and graded to Grade A cosmetic condition. It comes with our 1-year warranty, delivering reliable USB calling hardware with the confidence of a quality-checked device.

Certified Renewed · Inspection report

Every headset earns the seal

Every headset runs the same five checks before it earns the seal — the same language on the box, here, and across the site.

Report ID FBM-8220-CS · Passed

Electronically TestedAudio · mic · range · battery
Professionally Cleaned & SanitizedFresh ear cushions fitted
Parts & BatteryNew battery & parts where needed
Grade A CosmeticsPresentation-ready condition
1-Year Warranty + Lifetime SupportAdvanced replacement included

How it compares

Poly Blackwire C5210 Mo...Plantronics - Blackwire...Plantronics Blackwire C...Plantronics Blackwire 3...
Connection USB-A wiredWired USB-AWired USB-AWired USB-A (+ 3.5mm)
Wearing style MonoDuo / StereoDuo / StereoDuo / Stereo
Microphone Noise-cancelling boomNoise-cancelling boomNoise-cancelling boomNoise-cancelling boom
Price $61.99$34.00$55.16$27.99
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Specifications

BrandPoly
Model207577-03
ConnectionUSB-A wired
Wearing styleMono
MicrophoneNoise-cancelling boom
ConditionCertified Renewed — Grade A
Works with
PC / softphoneUSB-A

Questions

Frequently asked

What does the Blackwire C5210 connect to?
It connects to your PC / softphone over a USB-A cable for computer-based calling and conferencing.
Does it work with Teams, Zoom, and other softphones?
Yes. As a USB headset for PC / softphone use, it works with computer calling apps such as Teams and Zoom.
Is it wired or wireless?
It's a USB-A wired headset, so there's no battery to charge and no pairing — just plug it into your computer and start talking.
Is it single-ear or dual-ear?
It's a mono (single-ear) headset, leaving one ear open so you stay aware of your surroundings.
What does Certified Renewed mean and is there a warranty?
It has been fully tested, professionally cleaned, and graded to Grade A condition, and it's backed by our 1-year warranty.
What's in the box?
You receive the headset with its integrated USB-A cable, ready to plug in. Exact contents may vary; contact us if anything essential is missing.