User manual
Table Of Contents
- Get started
- Unlock Fitbit Premium
- Wear Sense 2
- Basics
- Clock Faces, Tiles, and Apps
- Voice Assistant
- Lifestyle
- Notifications from your phone
- Timekeeping
- Activity and Wellness
- Exercise and Heart Health
- Fitbit Pay
- Update, Restart, and Erase
- Troubleshooting
- General Info and Specifications
- Regulatory and Safety Notices
- USA: Federal Communications Commission (FCC) statement
- Canada: Industry Canada (IC) statement
- European Union (EU)
- Argentina
- Australia and New Zealand
- Ghana
- Indonesia
- Israel
- Japan
- Kingdom of Saudi Arabia
- Malaysia
- Mexico
- Morocco
- Nigeria
- Oman
- Paraguay
- Philippines
- Serbia
- Singapore
- South Korea
- Taiwan
- Thailand
- United Arab Emirates
- United Kingdom
- Vietnam
- About the Battery
- IP Rating
- Safety Statement
- Regulatory Markings
- Customiz
Icon Zone Calculation Description
Below
Zone
Below
40%of
your heart
rate
reserve
Below the fat burn zone, your
heart beats at a slower pace.
Fat Burn
Zone
Between
40% and
59% of
your heart
rate
reserve
In the fat burn zone, you’re likely in
a moderate activity such as a brisk
walk. Your heart rate and
breathing might be elevated, but
you can still carry on a
conversation.
Cardio
Zone
Between
60% and
84% of
your heart
rate
reserve
In the cardio zone, you’re likely
doing a vigorous activity such as
running or spinning.
Peak
Zone
Greater
than 85% of
your heart
rate
reserve
In the peak zone, you’re likely
doing a short, intense activity that
improves performance and speed,
such as sprinting or high-intensity
interval training.
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