Fitbit Blaze User Manual

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2.!Do not wear your tracker too tight; a tight band restricts blood flow, 
potentially affecting the heart rate signal. That being said, the tracker should 
also be slightly tighter (snug but not constricting) during exercise than during 
all-day wear.  
3.!With high-intensity interval training or other activities where your wrist is 
moving vigorously and non-rhythmically, the movement may prevent the 
sensor from finding an accurate heart rate. Similarly, with exercises such as 
weight lifting or rowing, your wrist muscles may flex in such a way that the 
band tightens and loosens during exercise. Try relaxing your wrist and staying 
still briefly (about 10 seconds), after which you should see an improved heart 
rate reading. 
Dominant or non-dominant wrist 
For greater accuracy, your tracker needs to know which wrist you wear it on. Your 
non-dominant wrist is the default. If you wear your tracker on your dominant wrist 
instead (meaning, the hand you write with), you can adjust the setting in the Account 
section of the Fitbit app or in the Devices section of your fitbit.com dashboard 
settings.  
Navigation 
The Blaze has a touch screen with a colored LCD and three buttons: Action, Select, 
and Back.   
						

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You’ll navigate your Blaze by swiping side to side and up and down.  
 
The default or “home” screen is the clock. On the clock you can:  
•!Swipe up to see any notifications.  
•!Swipe down to control music and turn notifications on and off.  
•!Swipe left, then tap to open specialized menus.                      
o!Today—See your steps taken, current, heart rate, hourly activity, 
distanced covered, calories burned, floor climbed, and active minutes 
(collectively known as all-day stats). 
o!Exercise—Swipe right to find a specific exercise.   
o!Fitstar™—Choose from three Fitstar workouts.  
o!Relax—Complete a guided breathing session. 
o!Timer—Swipe right to choose a stopwatch or countdown.  
o!Alarms—Set and manage any alarms you’ve set. 
o!Settings—Swipe up to see your options.  
						

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At any time you can press the Back button to return to the previous screen and 
eventually the clock.  
Note: The functions of the Select and Action buttons depend on the screen. 
Generally they’re an alternative when you’d rather not tap the nearest action.  
Battery life and charging 
Your fully charged Blaze has a battery life of up to five days. Depending on use and 
settings, actual results will vary.  
Determining your current battery level 
You can check your battery level on the display in several places: 
•!When looking at any menu screens, a small icon on the top left shows your 
battery level.   
•!When looking at the clock, the battery icon will appear if the battery is low.  
You can also see your battery level in the Fitbit app or on your fitbit.com dashboard.  
						

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Charging your tracker 
To charge your Blaze: 
1.!Plug the charging cable into the USB port on your computer or a UL-certified 
USB wall charger.  
2.!Remove the tracker from the wristband. To do so, turn the wristband over and 
push the screen gently so that it detaches from the frame.  
3.!Put the tracker inside the charging cradle with the screen facing towards you. 
The four gold prongs should be aligned. 
 
4.!Close the cradle cover. 
 
When your tracker is securely in the cradle, a large battery icon appears to let you 
know charging has started. 
If your tracker’s battery is low, charging fully can take 1 to 2 hours. While the tracker 
charges, you can check the clock by tapping the screen, use notifications, and 
control music. A bright battery icon in the top left of the screen shows the battery 
level. You can also check battery level while charging by opening then closing the 
cradle cover to see a larger icon. 
When the battery is full, the tracker will show a green battery indicator.                                                 
						

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To put the tracker back in the wristband when you’re done charging: 
1.!Open the cradle cover and remove the tracker.  
2.!From the back, align the buttons on the tracker with the grooves on the frame.  
   
3.!Insert the tracker.       
Conserving battery life 
If you won’t be using your Blaze for a while, you can conserve battery life by shutting 
it down. To do so, swipe to the Settings screen and swipe up to find Shutdown. For 
other tips on maximizing battery life, see help.fitbit.com. 
Care 
It’s important to clean and dry your Blaze regularly. For instructions and more 
information see http://www.fitbit.com/productcare.  
Changing the wristband  
The wristband has two separate bands (top and bottom) that you’ll remove 
individually to swap with a different wristband. 
Removing a wristband 
1.!Place Blaze face down on a flat, smooth surface and find the two band 
removal switches—there’s one on each end where the band meets the frame. 
2.!To unlock the switch, use the tip of your finger or nail to gently slide the 
switch to the opposite end, then pull the band away from the frame.  
  
						

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3.!Repeat on the other side. 
 
Attaching a new wristband 
Before you attach a new wristband, first identify the top and bottom bands. The top 
band has a watch buckle at the end of it. The bottom band has notches. 
 
To attach the band: 
 
1.!Place your Blaze face down. When it is face down, two buttons are on the left 
and a single button is on the right. 
2.!Find the pin opposite the removal switch, and slide it into the hole in the 
frame. 
3.!Pull the switch while sliding the band into place then release it to lock the 
band into the frame.  
 
  
						

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Automatic Tracking with Fitbit Blaze 
Your Blaze tracks a variety of stats automatically whenever you’re wearing it. Your 
tracker’s latest data is uploaded to your Fitbit dashboard whenever you sync.  
Viewing all-day stats 
On the clock, swipe left to the Today screen. Tap it and swipe up to see these all-day 
stats:  
•!Steps taken 
•!Current heart rate  
•!Hourly activity 
•!Distance covered 
•!Calories burned 
•!Floors climbed 
•!Active minutes 
Other stats captured by your tracker are available on your Fitbit dashboard, 
including: 
•!Detailed heart rate history, including time spent in heart rate zones 
•!Hours slept and sleep sleep stages 
Your Blaze starts tracking your stats for the next day at midnight based on your time 
zone. Though your stats reset to zero at midnight, the previous day’s data is not 
deleted. That data will be captured in your Fitbit account when you next sync your 
tracker.  
Using heart-rate zones 
Heart-rate zones help you target the training intensity of your choice. Your tracker 
shows your current zone next to your heart rate, and on your Fitbit dashboard you 
can see your time spent in zones during a particular day or exercise. Three zones 
based on American Heart Association recommendations are available by default, or 
you can create a custom zone if you have a specific heart rate you’re targeting.  
Default heart-rate zones 
Default heart-rate zones are calculated using your estimated maximum heart rate. 
Fitbit calculates your maximum heart rate with the common formula of 220 minus 
your age.  
						

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The heart icon you see next to your current heart rate tells you your zone: 
    
Out of zone  Fat burn Cardio Peak 
•!When you’re out of zone, which means you’re below 50% of your maximum 
heart rate, your heart rate may be elevated but not enough to be considered 
exercise. 
•!Fat Burn zone, which means your heart rate is between 50% and 69% of your 
maximum, is the low-to-medium intensity exercise zone and may be a good 
place to start for those new to exercise. It’s called the Fat Burn zone because a 
higher percentage of calories are burned from fat, but the total calorie burn 
rate is lower. 
•!Cardio zone, which means your heart rate is between 70% and 84% of your 
maximum, is the medium-to-high intensity exercise zone. In this zone you’re 
pushing yourself but not straining. For most people this is the exercise zone to 
target. 
•!Peak zone, which means your heart rate is 85% of your maximum or higher, is 
the high-intensity exercise zone. Peak zone is for short intense sessions that 
improve performance and speed. 
Custom heart-rate zones 
Instead of using the default heart rate zones, you can configure a custom zone in the 
Fitbit app or fitbit.com dashboard. When you’re in that zone you’ll see a solid heart. 
When you’re not in the zone you’ll see an outline of a heart.  
For more details about heart rate tracking, including links to relevant American Heart 
Association information, see help.fitbit.com. 
Sleep Tracking 
Wear your Blaze to bed to automatically track both your time spent asleep and your 
sleep quality. To see your sleep information, sync your tracker when you wake up 
and check your dashboard.   
Setting sleep goals 
By default, you have a sleep goal of 8 hours. You can customize your sleep goal in 
the Fitbit app or on your fitbit.com dashboard to an amount that better suits the  
						

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amount of sleep you need. For more information about your sleep goal, including 
how to change it, see help.fitbit.com.  
Learning about your sleep habits 
Your Blaze tracks several sleep metrics including how long you’re asleep and time 
spent in each sleep stage. When used with the Fitbit dashboard, your Blaze can help 
you understand how your sleep patterns compare to others who share your age 
range and gender. For more information about what happens when you’re asleep, 
see help.fitbit.com. 
Tracking a daily activity goal 
Your Blaze tracks your progress towards a daily goal of your choice. When you reach 
your goal, the tracker vibrates and flashes in celebration.  
Choosing a goal  
By default your goal is 10,000 steps per day. On the Fitbit app or fitbit.com 
dashboard you can choose a different goal, including distance traveled, calories 
burned, or floors climbed, and select the corresponding value you prefer. For 
example, you may want to keep steps as your goal but change the target from 
10,000 to 20,000 steps.   
Seeing goal progress 
Some of the clock faces show a goal progress ring or bar to help keep you 
motivated. For example, on the Original clock shown below, the solid portion of the 
line lets you know that you’re more than halfway to your goal.  
 
You can also see your goal progress in the Today menu.  
  
						

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Tracking Exercise with Fitbit Blaze 
Blaze will automatically detect many exercises and record them in your exercise 
history using our SmartTrack™ feature. You can also tell your tracker when exercise 
starts and stops if you want to see real-time stats and a workout summary right on 
your wrist. All workouts appear in your exercise history for deeper analysis and 
comparison.  
Using SmartTrack 
Our SmartTrack feature automatically recognizes and records select exercises to 
ensure you get credit for your most active moments of the day.  When you sync your 
tracker after a SmartTrack-detected exercise, you can find several stats in your 
exercise history including duration, calories burned, impact on your day, and more.  
 
By default SmartTrack detects continuous movement at least 15 minutes in length. 
You can increase the minimum duration or disable SmartTrack for one or more 
exercise types.  
 
For more information about customizing and using SmartTrack, see help.fitbit.com.  
Using the Exercise menu 
You can choose from over a dozen exercise types to customize the Exercise menu 
with your favorites. Some exercises, like running, biking, and hiking have a GPS 
option. 
For more information about customizing your Exercise menu, see help.fitbit.com. 
Note:   Blaze does not have built-in GPS. Its connected GPS feature works with the 
GPS sensors on your nearby mobile device to give you real-time pace and 
distance information, as well as recording a map of your route. Turning on 
connected GPS enables more precise tracking of your exercise stats.  
 
            Connected GPS is not available with the Fitbit app for Windows 10.  
GPS requirements 
Connected GPS is available for iOS and Android mobile devices. For more 
information about setting up connected GPS, see help.fitbit.com. 
1.!If you’re going to use connected GPS, make sure Bluetooth and GPS are both 
enabled on your phone and that your tracker is paired to your phone. 
2.!Make sure the Fitbit app has permission to use GPS or location services.