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Amazon.co.jp: Koss Porta Pro Limited Edition Rhythm Beige On-Ear Headphones In-Line Microphone Volume Control Touch Remote with Hard Carrying Case with 3.5mm Plug, Rhythm Beige : Electronics
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Amazon.com: Koss Porta Pro Wireless Bluetooth On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote, Adjustable Headband with Multi-Pivoting Ear Plates, Black : Electronics
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