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4. Find an option to create a custom heart rate zone and then specify the minimum and maximum
heart rate for your custom zone.
5. Sync your Fitbit Model FB407 to update your tracker with the new setting:
a. Click the Fitbit Connect icon located near the date and time on your computer.
b. With your Fitbit Model FB407 nearby, click Sync Now.
At any time you can check your dashboard to see the amount of time you’ve spent in your custom zone.
For more details about heart rate tracking, including links to relevant American Heart Association
information, see our “Heart rate FAQs” article on https://help.fitbit.com.
Battery life and charging
Your Fitbit Model FB407 contains a rechargeable lithium-polymer battery.
With normal use, your fully charged Fitbit Model FB407 should last up to five days before needing a
charge. You can check the level of your battery by logging into fitbit.com and clicking the gear icon on
the top-right corner of the page.
When you press the button on your Fitbit Model FB407 to cycle through your stats, the first screen will
show a low battery icon if there is approximately one day or less of battery life remaining.
If you want to receive a mobile notification or email when your battery is low:
1. Log in to your fitbit.com dashboard.
2. Click the gear icon in the top-right corner of the page and select Settings.
3. Using the navigation tabs on the left, find Notifications and choose which ones you would like to
receive.
4. Click Save.
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