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Amazon.com : POLAR Ignite - GPS Smartwatch - Fitness Watch with Advanced Wrist-Based Optical Heart Rate Monitor, Training Guide, Waterproof : Sports & Outdoors
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Best fitness watches 2021: Fitbit, Polar, Garmin - our expert reviews the most popular fitness trackers
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Amazon.com : POLAR Unite Waterproof Fitness Watch (Includes Wrist-Based Heart Rate and Sleep Tracking) : Sports & Outdoors
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