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Memory
Blaze holds detailed minute-by-minute information for the most recent 7 days, and
30 days of daily summaries. Heart rate data is stored at one-second intervals during
exercise tracking and at five-second intervals at all other times.
Refer to the following table for information on how long Blaze stores your stats and
data in between the times you sync your tracker. Your recorded data consists of
steps taken, distance traveled, calories burned, floors climbed, active minutes, heart
rate, exercise, and sleep tracked.
Sync your Blaze regularly to have the most detailed data available on your Fitbit
dashboard.