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Amazon.com: Plantronics BackBeat FIT Boost Edition Sport Earbuds, Waterproof Wireless Headphones with Charging Pouch, Access to Interactive Audio Coaching from The PEAR Personal Coach App, Sport Grey
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Amazon.com: Plantronics BackBeat FIT Wireless Bluetooth Headphones - Waterproof Earbuds with On-Ear Controls for Running and Workout, Black Core
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