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Amazon.com: Amazfit GTS Fitness Smartwatch with Heart Rate Monitor, 14-Day Battery Life, Music Control, 1.65" Display, Sleep and Swim Tracking, GPS, Water Resistant, Smart Notifications, Vermillion Orange : Electronics
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Amazon.com: Amazfit Bip S Fitness Smartwatch, 40 Day Battery Life, 10 Sports Modes, Heart Rate, 1.28'' Always-On Display, Water Resistant, Built-in GPS, Carbon Black : Electronics
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