Fitbit Flex Activity and Sleep Tracker Wristband FB401FLEXBK- Android iOS- Black

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Genuine Fitbit name brand products, The Flex Series Activity Wristband. Model: FB401FLEXBK This model comes with an all black silicone band and display unit. Features: - Compatible with Android, iOS, and Windows devices. - Tracks all-day activity like steps, distance, calories burned and active minutes - Measure your sleep quality and wake with a silent, vibrating alarm - LED lights show how your day is stacking up against your goal - Fits comfortably around your wrist - Water resistant (NOT swimproof or showerproof) - 5 day battery life Show more