Fitbit Flex Fitness Tracker Wristband - NavyNote: The price is inclusive of all taxes including customs, local taxes and shipping. Please beware of other sites advertising a cheaper price only to charge you a hefty sum for custom duty. Overview Monitor your fitness and health with the Fitbit Flex Wristband. Track your sleep and activity as well as accurately measuring your progress using the Fitbit app for iOS and Android devices. Buy from a wide collection of Fitness Trackers at best price