HP Poly Plantronics Blackwire 5210 USB-C Wired UC Headset

Wideband audio with Dynamic EQ and a noise-cancelling microphone make the Blackwire 5210 a serious tool for clear, natural conversations in busy workspaces. The single-ear design keeps you aware of your surroundings while the leatherette cushion and lightweight headband stay comfortable through long shifts.

Overview

The Blackwire 5210 is a wired USB-C headset built for unified communications. It connects directly to your PC or Mac and works seamlessly with leading softphone platforms like Microsoft Teams and Zoom. The inline controls put call answer/end, volume, and mute right at your fingertips, so you can manage calls without breaking focus.

What stands out

• Noise-cancelling microphone filters out background chatter for clearer calls.
• Wideband audio and Dynamic EQ deliver rich, natural voice quality.
• SoundGuard Digital protects against acoustic spikes and long-term noise exposure.
• Flexible boom mic positions precisely for optimal voice capture.
• USB-C connection ensures a reliable, plug-and-play experience.

Technical details

• Speaker diameter: 32 mm
• Headphone frequency response: 20 Hz – 20 kHz
• Microphone frequency response: 100 Hz – 8 kHz
• Cable length: 2.1 m (7 ft)
• Ear cushion material: leatherette
• Digital Signal Processing (DSP): Yes
• Compatibility: PC, Mac, softphones, UC applications
• Certifications: UC Certified (Microsoft Teams, Zoom, etc.)

Our verdict

For professionals who need dependable call clarity without the bulk of a dual-ear headset, the Blackwire 5210 hits the sweet spot. It's comfortable, easy to use, and tuned for modern UC platforms—ideal for call centers, hot-desking, or home offices.