The Fitbit Flex Wireless Activity Run/Sleep Tracker FB401 is a versatile fitness device designed for unisex adults engaging in activities such as gym training, yoga, and running. With features like a wireless Bluetooth connection, alarm, pedometer, calorie monitor, sleep tracker, and water resistance, this black plastic tracker provides detailed measurements for calories and distance. Compatible with both iOS and Android operating systems, the Fitbit Flex is a reliable tool for tracking and improving indoor and outdoor workouts. Its sleek design and advanced functions make it a great companion for those looking to enhance their fitness levels.
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