Fitbit Zip inspire 3 User Manual page 41

Icon Zone
Below
Zone
Fat Burn
Zone
Cardio
Zone
Peak
Zone
Calculation
Below 50% Below the fat burn zone, your
of your heart beats at a slower pace.
maximum
heart rate
Between In the fat burn zone, you're likely in
50% and a moderate activity such as a brisk
69% of walk. Your heart rate and
your breathing might be elevated, but
maximum you can still carry on a
heart rate conversation.
Between In the cardio zone, you're likely
70% and doing a vigorous activity such as
84% of running or spinning.
your
maximum
heart rate
Greater In the peak zone, you're likely
than 85% of doing a short, intense activity that
your improves performance and speed,
maximum such as sprinting or high-intensity
heart rate interval training.
Description
41