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MPN: FB401BK EAN: 898628002687

Fitbit Fitbit Flex FB401 Wireless Activity and Sleep Wrist Band 

Never stop moving with Fitbit Flex. Wear this slim, stylish device all the time and get the motivation you need to get out and be more active. It tracks steps, distance, and calories burned and shows you how you’re stacking up against your daily goals. At night, it tracks your sleep cycle, helps you learn how to sleep betterand wakes you silently in the morning. Access your stats anytime on your computer, tablet, or from smartphones – both iPhone and Android. Flex is your perfect companion, and stays with you everywhere - even in the shower.
Small 5.5"–6.5" 14.0 cm–16.5 cm
Large 6.5"–7.7" 16.5 cm–19.6 cm
X Large 7.7"–8.9" 19.6 cm–22.6 cm

Technical Specification

Product DescriptionFitbit Flex activity tracker - slate
Product TypeActivity tracker
ConnectivityBluetooth
Tracking DataDistance, calories burned, activity, sleep activity, steps taken
Battery Run TimeUp to 120 hours
ColourSlate
Dimensions (WxDxH)15.2 mm x 9.5 mm
Weight11.34 g