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Amazon.com: KOSS Sporta Pro On-Ear Headphone - Stereo - Mini-phone - Wired - 60 Ohm - 15 Hz 25 kHz - Gold Plated - Over-the-head, Behind-the-neck - Binaural - Ear-cup - 4 ft Cable / 185597 / : Electronics
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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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