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Description
Poly Plantronics Blackwire C5210 USB-C Corded HeadsetBLACKWIRE 5210, C5210 USB C CORDED USB HEADSET WEAR IT WELL WHY SHOULD YOUR HEAD HAVE TO SUFFER? If you wear a headset for hours, the Blackwire 5200 Series is your jam. Ergonomically designed, it's comfortable enough to wear all day. CONNECTS TO PC via USB C, connects to mobile devices and tablets via 3. 5mm and devices that support USB C IDEAL FOR Users with extensive PC communication and multimedia AUDIO PERFORMANCE Dynamic EQ, microphone frequency
BLACKWIRE 5210, C5210 USB-C
CORDED USB HEADSET
WEAR IT WELL
WHY SHOULD YOUR HEAD HAVE TO SUFFER?
If you wear a headset for hours, the Blackwire 5200 Series is your jam. Ergonomically designed, it's comfortable enough to wear all day.
CONNECTS TO
PC via USB-C, connects to mobile devices and tablets via 3.5mm and devices that support USB-C
IDEAL FOR
Users with extensive PC communication and multimedia
AUDIO PERFORMANCE
Dynamic EQ, microphone frequency response 100 Hz–8 kHz optimal for PC wideband voice telephony (up to 6,800 Hz), hi-fi stereo (C5220, C5220 USB-C only) receive frequency response from 20 Hz–20 kHz, enhanced Digital Signal Processing (DSP), noise- canceling microphone, adjustable audio alerts with Plantronics Hub software (mute/volume)*
* 1mW/1kHz with IEC 318 Coupler
HEARING PROTECTION
SoundGuard® DIGITAL protects against sound levels above 118dBA; Anti-startle (during calls) detects and eliminates any large sudden increase in signal level; Time-Weighted Average prevents average daily noise exposure from exceeding 85 dBA (enabled by Plantronics Hub). Additional lower level hearing protection against acoustic startle is provided by Plantronics Hub software limiting peak levels to 102 dBA
MODEL
C5210 USB-C (Monaural): Built for UC applications and softphones from Avaya®, Cisco®, Microsoft® and more.* Certified for Skype for Business
Blackwire 5210, Monaural, USB-C (P/N 207587-201)
WEIGHT (WITH CABLE)
Blackwire 5210: 125.4 g/0.28 lbs
WEIGHT (WITHOUT CABLE)
Blackwire 5210: 100 g/0.22 lbs
CABLE LENGTH (QD TO HEADSET)
Blackwire 5210: 1160 mm/3.81 ft
CABLE LENGTH (USB TO INLINE MODULE)
Blackwire 5210: 940 mm/3.08 ft
CABLE LENGTH (TOTAL USB TO HEADSET)
Blackwire 5210: 2170 mm/7.12 ft
HEADBAND ADJUSTMENT
Blackwire 5210: 40 mm/0.13 ft
BOOM ROTATION
Blackwire 5210: 280°
SPEAKER SIZE
Blackwire 5210: 28 mm/0.09ft
INPUT IMPEDANCE
Blackwire 5210: 32 Ohms
SPEAKER SENSITIVITY DB (*)
Blackwire 5210: 90**
** 1mW/1kHz 0.01m open field
SPEAKER BANDWIDTH (SPEECH MODE)
Blackwire 5210: 200-6800Hz
SPEAKER BANDWIDTH (MEDIA MODE)
Blackwire 5210: 20-20000Hz
MAXIMUM ACOUSTIC OUTPUT
Blackwire 5210: 118dBSPL
MICROPHONE SENSITIVITY
Blackwire 5210: -38dBV/Pa
MICROPHONE BOOM LENGTH
Blackwire 5210: 122.5 mm/0.40 ft
MICROPHONE BANDWIDTH
Blackwire 5210: 100-10000Hz
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 4
Good, convenient and portable printer
Color: Green, Color: Green
This printer works great for my needs. The battery life has been good and the printer app functionality has worked without any issues. For me it is very easy to use and understand so overall I think it is a good, portable and convenient printer.
However my one ad only issue is the labels get stuck and causes an error about 80% of the time meaning the label won’t print out unless I open it and realign it perfectly. That is a pain! I am contemplating returning it for a new one to see if it is just a design flaw or a printer issue so I am rating it 4 stars.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
I’m officially old now, but at least my stuff is organized. (A truly im-press-ive gadget).
Color: Green
I hit 30 recently, and apparently, my birthday present from the universe was a sudden, overwhelming urge to organize my garage and pantry. I bought this Nelko P21 to help with the transition into full adulthood, and honestly, it’s been a blast to use.
Setting it up was surprisingly painless. You just download the app on your phone, turn on Bluetooth, and it connects almost instantly. The app itself is straightforward—you don't need a tech degree to figure out how to change the fonts, add borders, or even insert little icons. Since it's a thermal printer, you never have to buy ink or deal with messy cartridges, which is a massive plus for me because I would absolutely find a way to spill it.
The machine itself is tiny, basically the size of a couple of smartphone decks stacked together, so it doesn't take up any room in a drawer. The labels print fast, the text is sharp, and the adhesive on the tape that comes with it holds up well on plastic storage bins and glass jars.
My only minor complaint is that the app forces you to look at a ton of font options, and a lot of them are locked behind a subscription or paywall, but the free, basic fonts are more than enough to label a box of spare cables or spice jars. If you've reached the stage of life where clean storage containers bring you joy, this thing is worth every penny.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Didn’t Expect to Use It This Much, Now I Reach for It Daily
Color: Black, Color: Black
I originally bought this label maker for a few simple tasks, but it quickly turned into something I use almost every day.
As someone who manages multiple locations and stays organized across different responsibilities, having a quick and reliable way to label and categorize items makes a bigger impact than you’d think and this does exactly that.
What stands out:
Quick setup and easy Bluetooth connection.
Compact design that’s easy to keep within reach.
Clear, professional-looking labels.
App gives enough flexibility without being complicated, allows you to create QR codes as well as functioning barcodes.
One thing to note:
There’s a short learning curve with the app, but nothing that slows you down after the first couple uses.
Bottom line:
If you value organization and efficiency, this is one of those small tools that quietly improves how you operate day to day.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Perfect Label Maker
Color: White
I wasn’t expecting to love a label maker this much, but this thing has been incredibly useful. It’s easy to set up, simple to use, and prints clear, professional-looking labels every time. The print quality is sharp and the labels stick really well without peeling off.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Very much needed!
Color: Pink
This label maker is super cute and very easy to use. The Bluetooth connection worked quickly with my phone and the app has plenty of templates and font options for organizing around the house and office. The labels print clearly, and the compact size makes it convenient to store anywhere. The pink color is also a nice touch and looks great on my desk!
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Reviewed in the United States on May 26, 2026