The Plantronics Blackwire C5210 Monaural UC USB Headset is perfectly equipped with 3.5 mm smartphone/mobile device connector and USB-A. This headset is highly suitable for users who need PC and multimedia communication. This is also certified for Skype for business and Microsoft Lync as well. It is capable to facilitate flexibility to connect to your wireless device through a 3.5mm connection and it consists of a noise-canceling microphone, leatherette ear cushions, and SoundGuard hearing protection.

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Size Chart
Size Chart

Measuring Tips to Assure The Best Fit

  • Measure your back size – wrap the measuring tape snugly around your ribcage, just under your bust line 1, keeping it horizontal. This will give you your band size.
  • Then measure around the fullest part of your bust 2 , again keeping the tape horizontal.
  • To determine the size of pants, measure the girth of the waist 3 and hips 4
  • The following charts will help you match the designer’s size scheme for this product (indicated in the dropdown) to your usual size

size guide visible to all products

XS 8 4 34 31/32 23/24 33/34
S 10 6 36 33/34 25/26 35/36
M 12 8 38 35/36 27/28 37/38
L 12 8 38 35/36 27/28 37/38
XL 10 6 36 33/34 25/26 35/36

Part Number: 207577-01


Brand New - A brand-new, unused, unopened, undamaged item in its original packaging.


This item comes with 24 month manufacturer's warranty.


• Monaural (single ear) headband

• Certified for Skype for Business and Microsoft Lync

• Compatible with softphones from Avaya, Cisco, Skype and many others

• Leatherette ear cushions

• Foldable ear cushions with carrying case

• One-touch call answer/end, volume +/- and mute

• User friendly audio prompts and inline indicator lights alert the user to connection, mute and volume status Plantronics’ Signature Audio

• Wideband audio with noise-cancelling microphone

• Digital Signal Processing (DSP)

• SoundGuard technology provides advance audio protection against loud noise spikes

• Dynamic EQ automatically adjusts audio settings between voice calls and music


• 1 x Plantronics Blackwire C5210 Monaural UC USB Headset

• Carrying Case

• User Guide

5 Items

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