USB Wired Headphones for PC / Mac Duo version with higher audio quality Cable call control : off-hook / on-hook Protection against acoustic spikes for one's safety The Blackwire 3220 Series corded UC headsets are durable, lightweight, easy to deploy and come in a variety of connectivity and wearing options. Add insights from Plantronics Manager Pro, an additional service, and you've got a future proof solution. The Blackwire 3220 Series with Plantronics Signature audio provides top notch features at a price you can afford.
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