Poly Blackwire 5210 USB-A Mono Headset (207577-01) — Crystal-Clear UC Communication

Get enterprise-grade audio clarity at a smart price with the Poly (formerly Plantronics) Blackwire 5210 wired mono headset. Designed for all-day comfort at just 125 grams, this UC-certified headset delivers wideband audio and a noise-canceling boom microphone — perfect for Microsoft Teams, Zoom, and softphones from Cisco, Avaya, and more.

• Connectivity: USB-A and 3.5mm dual connectivity for PCs, Macs, tablets, and smartphones
• Audio: PC wideband audio with Digital Signal Processing (DSP) and Dynamic EQ for calls and multimedia
• Noise-Canceling Mic: Flexible boom microphone masks nearby conversations for call privacy
• Hearing Protection: SoundGuard DIGITAL technology protects against sound levels above 118 dBA
• Inline Controls: One-touch call answer/end, volume +/-, and mute with Dynamic Mute Alert
• Comfort: Lightweight 125g design with leatherette ear cushion and adjustable headband for all-day wear
• Portability: Foldable ear cushion design with included carrying case; 6.9 ft total cable length
• Certification: Microsoft Skype for Business Certified; compatible with Teams, Zoom, Cisco, Avaya, and Mitel UC platforms
• Software: Manage settings and updates via the Poly Lens App

Backed by Reef Telecom's 10-year warranty and free shipping on orders over $300. Ideal for contact centers, office environments, remote workers, and hybrid work setups that need reliable, plug-and-play wired audio.

Part Number: 207577-01  |  Replaces: Plantronics Blackwire C510 (88860-01)

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.