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Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Design, Stealth Grey
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Koss Porta Pro Limited Edition Black Gold Headphones with Microphone_ Volume Control_ and Remote - Walmart.com
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Koss Porta Pro KTC On-Ear Headphones with Koss Touch Control (KTC) Remote and Microphone Technology - Walmart.com
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