Fitbit Flex 2 Smart Fitness Activity Tracker, Slim Wearable Waterproof Swimming and Sleep Monitor, Wireless Bluetooth Pedometer Wristband for Android and iOS, Step Counter and Calorie Counter Watch

Brand NewTrack ways, length, calories burned and active minutes Ultra-thin, detachable tracker hides in bands, pendants and bangles, The Fitbit

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Willful Fitness Tracker with Heart Rate Monitor, Fitness Watch Activity Tracker IP67 Waterproof Slim Smart Band with Step Calorie Counter 14 Sports Mode Sleep Monitor,Pedometer for Kids Women Men

Physical fitness Tracker with Coronary heart Amount Monitor, Fitness Enjoy Activity Tracker IP67 Water resistant Trim Clever Band with Action

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