Poly Blackwire 3220 USB-C Headset | Wired Stereo Over-Ear Office Teams Zoom

Poly Blackwire 3220 USB-C Headset | Noise Cancelling Mic | Teams & Zoom Ready. WHY UPGRADE TO THE BLACKWIRE 3220?. Hi-Fi Stereo Sound: The "3220" is the dual-ear (Stereo) version. Designed to be worn for 8+ hours without causing "headset fatigue.".

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