*This item is REFURBISHED. Keep track of your activity and get motivated with the Fitbit Flex Wireless Activity band.<br />Fitbit Flex Wireless Activity Sleep Band:Fitbit Flex black band tracks steps｣ｬ distance and calories burnedTracks sleep cycle and silently wakes you in the morningAccess your stats anytime on your computer｣ｬ tablet or smartphone (iPhone and Android)Water resistant