Porta Pro® Communication Headsets - Koss Stereophones

The Koss Porta Pro® Communication Headset features a flexible, hands-free microphone and connects to devices through a simple 3.5mm TRRS plug.

The Koss Porta Pro® Communication Headset features a flexible, hands-free electret boom microphone and connects to devices through a simple 3.5mm TRRS plug that works with modern desk phones, computers and tablets.

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Porta Pro® Communication Headsets - Koss Stereophones

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Koss—the ubiquitous darling brand of audiophiles everywhere—is bringing you a Porta Pro Headset that delivers bang-for-your-buck audio, plus an

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Koss Porta Pro Double-Sided On-Ear Communication Headset, Flexible, Hands-Free Electret Microphone, Collapsible Design, Wired 3.5mm TRRS Plug, Black : Electronics

Porta Pro® - Koss Stereophones