Poly Blackwire 3210 Mono Headset | USB-C | USB-A Adapter – 8X214A6

Product Overview

The Poly Blackwire 3210 (8X214A6) delivers enterprise-grade audio quality in a lightweight, single-ear design built for professionals who need to stay connected to both their calls and their surroundings. Featuring a noise-canceling microphone and Dynamic EQ technology that automatically optimizes audio settings for voice calls or multimedia playback, this corded headset ensures crystal-clear communication on every call.

Designed for all-day comfort, the Blackwire 3210 features a durable metal headband with an adjustable fit and soft leatherette ear cushion. The monaural wearing style keeps one ear open for environmental awareness—ideal for busy office environments where you need to hear colleagues or announcements. Intuitive inline controls let you answer/end calls, adjust volume, and mute without reaching for your computer.

With USB-C connectivity and an included USB-A adapter, the Blackwire 3210 works seamlessly with modern and legacy devices alike. SoundGuard technology protects against acoustic shock by limiting sounds to below 118 dBA, while the plug-and-play design ensures instant compatibility with Windows, macOS, and all major UC platforms including Microsoft Teams, Zoom, and Webex.

Who Should Use This Product?

Office Professionals

Ideal for workers in open office environments who need clear call audio while staying aware of their surroundings with the single-ear design.

Remote Workers

Perfect for home office setups requiring reliable USB connectivity and professional audio quality for video conferencing and VoIP calls.

IT Administrators

Easy mass deployment with plug-and-play simplicity, Poly Lens management software support, and dual USB-C/USB-A compatibility across device fleets.

Why Choose This Product

The Poly Blackwire 3210 delivers professional-grade audio at an entry-level price point, making it ideal for organizations deploying headsets at scale. The monaural design keeps one ear open for environmental awareness, while the noise-canceling microphone ensures your voice comes through clearly in any setting. Dynamic EQ technology automatically optimizes audio for voice or multimedia, eliminating the need for manual adjustments.

For IT teams, the Blackwire 3210 offers simple plug-and-play deployment with no drivers required. Poly Lens software provides centralized device management, firmware updates, and usage analytics across your entire headset fleet. The included USB-A adapter ensures compatibility with legacy systems while the USB-C connection future-proofs your investment for modern devices.

Will This Work for Me?

Works With

  • Windows 11, Windows 10, macOS
  • Microsoft Teams, Zoom, Webex, Google Meet, RingCentral, and all major UC platforms

Requirements

  • USB-C or USB-A port (adapter included)

Software

  • Poly Lens (optional, for firmware updates and customization)

Note

This is the UC variant with USB-C/A adapter (bulk packaging). For stereo version, see Blackwire 3220.

What's in the Box

  • Headset
  • USB-C cable with inline controls
  • Tethered USB-A adapter

Technical Specifications

Primary Attributes

Active Noise Cancellation (ANC): No
Connectivity: USB-C, USB-A
Corded / Wireless: Corded
Headset Speakers: Mono (One Ear)
Warranty: 24 months
Wearing Style: Over the Head, On the Ear
Wideband Audio: Yes

Blackwire Models (12)

View Poly Blackwire 3310-M Mono Headset | USB-C | USB-A Adapter | MS Teams – 8X216AA
Blackwire 3310-M, Monaural USB-C Headset, Microsoft Teams Certified, +USB-C/A Adapter
Poly logo

Blackwire 3310-M - USB-C

SKU: 8X216AA
Condition: New
Stock: 250+
USB-A USB-A
USB-C USB-C
$42.90
$57.95
Save $15.05
(26% off)
View Poly Blackwire 3325 Stereo Headset | USB-C | 3.5mm | USB-A Adapter – 8X221AA
Blackwire 3325, Stereo USB-C Headset, +3.5mm Plug, +USB-C/A Adapter
Poly logo

Blackwire 3325 UC - USB-C

SKU: 8X221AA
Condition: New
Stock: 250+
3.5mm 3.5mm
USB-A USB-A
USB-C USB-C
$68.81
$97.95
Save $29.14
(30% off)
View Poly Blackwire 3315-M Mono Headset | USB-C | 3.5mm | USB-A Adapter | MS Teams – 8X218AA
Blackwire 3315-M, Monaural USB-C Headset, Microsoft Teams Certified, +3.5mm Plug, +USB-C/A Adapter
Poly logo

Blackwire 3315-M - USB-C

SKU: 8X218AA
Condition: New
Stock: 250+
3.5mm 3.5mm
USB-A USB-A
USB-C USB-C
$64.59
$91.95
Save $27.36
(30% off)
View Poly Blackwire 3220 Stereo Headset | USB-C | USB-A Adapter – 8X228A6
Poly Blackwire 3220 Stereo Headset | USB-C | USB-A Adapter – 8X228A6
Poly logo

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Poly

Poly logo

Blackwire 3220 - USB-C/A

SKU: 8X228A6
Condition: New
Stock: 250+
USB-A USB-A
USB-C USB-C
$42.90
$57.95
Save $15.05
(26% off)
View Poly Blackwire 3225 Stereo Headset | USB-C | 3.5mm | USB-A Adapter – 8X229AA
Blackwire 3225, Stereo USB-C Headset, +3.5mm Plug, +USB-C/A Adapter
Poly logo

Blackwire 3225 - USB-C/A

SKU: 8X229AA
Condition: New
Stock: 250+
3.5mm 3.5mm
USB-A USB-A
USB-C USB-C
$64.59
$91.95
Save $27.36
(30% off)
View Poly Blackwire 3325-M Stereo Headset | USB-C | 3.5mm | USB-A Adapter | MS Teams – 8X222AA
Blackwire 3325-M, Stereo USB-C Headset, Microsoft Teams Certified, +3.5mm Plug, +USB-C/A Adapter
Poly logo

Blackwire 3325-M

SKU: 8X222AA
Condition: New
Stock: 250+
3.5mm 3.5mm
USB-A USB-A
USB-C USB-C
$68.81
$97.95
Save $29.14
(30% off)
View Poly Blackwire 3320 Stereo Headset | USB-C | USB-A Adapter – 8X219AA
Poly Blackwire 3320 Stereo Headset | USB-C | USB-A Adapter – 8X219AA
Poly logo

Blackwire 3320 UC - USB-C

SKU: 8X219AA
Condition: New
Stock: 250+
USB-A USB-A
USB-C USB-C
$47.20
$63.95
Save $16.75
(26% off)
View Poly Blackwire 3215 Mono Headset | USB-C | 3.5mm | USB-A Adapter – 8X227A6
Blackwire 3215, Monaural USB-C Headset, +3.5mm Plug, +USB-C/A Adapter, Bulk
Poly logo

Blackwire 3215 - USB-C/A

SKU: 8X227A6
Condition: New
Stock: 250+
3.5mm 3.5mm
USB-A USB-A
USB-C USB-C
$61.08
$86.95
Save $25.87
(30% off)
View Poly Blackwire 3315 Mono Headset | USB-C | 3.5mm | USB-A Adapter – 8X217AA
Blackwire 3315, Monaural USB-C Headset, +3.5mm Plug, +USB-C/A Adapter
Poly logo

Blackwire 3315 UC - USB-C

SKU: 8X217AA
Condition: New
Stock: 250+
3.5mm 3.5mm
USB-A USB-A
USB-C USB-C
$64.59
$91.95
Save $27.36
(30% off)
View Poly Blackwire 3215 Mono Headset | USB-C | 3.5mm | USB-A Adapter – 8X227AA
Blackwire 3215, Monaural USB-C Headset, +3.5mm Plug, +USB-C/A Adapter
Poly logo

Blackwire 3215 - USB-C/A

SKU: 8X227AA
Condition: New
Stock: 250+
3.5mm 3.5mm
USB-A USB-A
USB-C USB-C
$61.08
$86.95
Save $25.87
(30% off)
View Poly Blackwire 3310 Mono Headset | USB-C | USB-A Adapter – 8X215AA
Blackwire 3310 Monaural USB-C Headset, +USB-C/A Adapter
Poly logo

Blackwire 3310 UC - USB-C/A

SKU: 8X215AA
Condition: New
Stock: 250+
USB-A USB-A
USB-C USB-C
$42.90
$57.95
Save $15.05
(26% off)
View Poly Blackwire 3210 Mono Headset | USB-C | USB-A Adapter – 8X214AA
Blackwire 3210, Monaural USB-C Headset, +USB-C/A Adapter
Poly logo

Blackwire 3210 - USB-C/A

SKU: 8X214AA
Condition: New
Stock: 250+
USB-A USB-A
USB-C USB-C
$38.10
$51.95
Save $13.85
(27% off)