Never stop moving with fitbit flex see how youre stacking up against your daily goals 24 hours a day with steps distance and calories burned all tracked the flex monitors your sleep and wakes you with a silent alarm its easy to access your stats wirelessly to keep you motivated and more active please note refunds or exchanges can only be processed with a valid receipt if the item is in the original unopened packaging security seals must be intact style product shapebracelets fasten