View the manual for the Fitbit Sense 2 here, for free. This manual comes under the category sport watches and has been rated by 13 people with an average of a 8.3. This manual is available in the following languages: English. Do you have a question about the Fitbit Sense 2 or do you need help? Ask your question here




The Fitbit Sense 2 is a smartwatch that features a square-shaped digital display with a touchscreen interface. It offers an always-on color display, allowing users to easily view information at a glance. The watch case is made of aluminum, which provides both durability and a lightweight feel. The Fitbit Sense 2 is available in two band sizes, S and L, ensuring a comfortable fit for a wide range of wrist sizes. Positioned as a smartwatch, the Fitbit Sense 2 offers an array of features and functionalities to cater to the needs of fitness enthusiasts and tech-savvy individuals. While specific details about these features are not mentioned, the Fitbit brand is well-known for its fitness tracking capabilities, including heart rate monitoring, activity tracking, sleep tracking, and more. With its sleek design and advanced technology, the Fitbit Sense 2 aims to provide users with a reliable and versatile sport watch experience. Its digital display and touchscreen interface allow for easy navigation and interaction with the device. The always-on color display ensures that users can access information without having to activate the screen. Overall, the Fitbit Sense 2 combines style and functionality in a smartwatch designed for fitness and everyday use. Its aluminum case, availability in different band sizes, and square shape contribute to its overall appeal. While specific details about its features are not provided, the Fitbit Sense 2 is positioned as a reliable sport watch option for individuals seeking a comprehensive digital experience on their wrists.



| Brand | Fitbit |
| Model | Sense 2 | FB521GLBM |
| Product | sport watch |
| EAN | 0810038858388 |
| Language | English |
| Filetype | User manual (PDF) |
| Display type | Digital |
| Display resolution | - pixels |
| Touchscreen | Yes |
| Display technology | - |
| Display diagonal | - " |
| Always-on display | Yes |
| Color display | Yes |
| Market positioning | Smartwatch |
| Watch case size | - mm |
| Watch case color | Gold |
| Watch case material | Aluminum |
| Band color | White |
| Band material | - |
| Band size | S/L |
| Shape | Square |
| Wrist size range | 129 - 209 mm |
| Minimum strap length | 129 mm |
| Maximum strap length | 209 mm |
| Suggested gender | Unisex |
| Waterproof | Yes |
| Closure type | Single prong strap buckle |
| Protection features | Water resistant |
| Waterproof up to | 50 m |
| Removable strap | Yes |
| Built-in microphone | Yes |
| Built-in speaker(s) | Yes |
| Built-in camera | No |
| FM radio | No |
| Mobile operating systems supported | Android, iOS |
| Operating system installed | Fitbit OS |
| Heart rate monitor | Yes |
| Blood pressure monitor | Yes |
| Blood oxygen sensor | Yes |
| Distance traveled | Yes |
| Calories burned | Yes |
| Accelerometer | Yes |
| Activity tracker | Yes |
| Quality of sleep | Yes |
| Short Message Service (SMS) | Yes |
| Vibrating motor | Yes |
| Ambient light sensor | Yes |
| Altimeter | Yes |
| Skin temperature sensor | Yes |
| Virtual assistant | Amazon Alexa |
| Smart notifications | Yes |
| SMS notifications | Yes |
| Alarm clock | Yes |
| Advanced workouts | Yes |
| Automatic daily activity detection | Yes |
| Find my phone function | Yes |
| Workout tracking | Yes |
| Call notifications | Yes |
| Thermometer | Yes |
| Vibrating alarm clock | Yes |
| Answerphone remote access | Yes |
| Heart rate sensor type | Optical |
| Mobile network connection | No |
| GPS (satellite) | Yes |
| GLONASS | Yes |
| USB port | No |
| Bluetooth | Yes |
| Wi-Fi | No |
| Bluetooth version | 5.0 |
| Near Field Communication (NFC) | Yes |
| Headphone connectivity | Bluetooth |
| Bluetooth Low Energy (BLE) | Yes |
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | - mAh |
| Battery type | Built-in battery |
| Battery life (max) | 144 h |
| Battery life | 6 day(s) |
| Battery life (GPS mode) | 5 h |
| Battery life | 144 h |
| Charging time | 2 h |
| Operating temperature (T-T) | -10 - 45 °C |
| Width | 40.5 mm |
| Depth | 40.5 mm |
| Thickness | 12.3 mm |
| Charger | Yes |
Can't find the answer to your question in the manual? You may find the answer to your question in the FAQs about the Fitbit Sense 2 below.
It is sensible for you to switch off your sport watch at night, this ensures longer battery life.
No, no internet is required to receive GPS.
The abbreviation GPS stands for 'Global Positioning System'.
GPS is a system that can be used all over the globe to determine your location by means of satellites.
As an adult, it is recommended to do moderately intensive exercise for at least 2.5 hours per week. Preferably spread over several days.
An adult's resting heart rate is between 60 and 100 beats per minute.
As a rule of thumb for your maximum heart rate, you can use 220 minus your age.
Bluetooth is a way of exchanging data wirelessly between electronic devices via radio waves. The distance between the two devices that exchange data can in most cases be no more than ten metres.
The screen size of the Fitbit Sense 2 is - ".
The screen resolution of the Fitbit Sense 2 is - pixels.
The Fitbit Sense 2 has a width of 40.5 mm.
The Fitbit Sense 2 has a depth of 40.5 mm.
To set up and pair your Fitbit Sense 2 with your smartphone, navigate to the settings menu on your watch, select "Bluetooth", and follow the on-screen instructions to pair your device with your smartphone.
To track your heart rate with the Fitbit Sense 2, swipe left on the watch face to access the heart rate monitor. Ensure that the watch is snug on your wrist, and wait for a few moments for the watch to detect and display your current heart rate.
To customize your Fitbit Sense 2 watch face, press and hold the watch face until the customization menu appears. From there, you can select the desired watch face, adjust the color scheme, and include various data metrics such as steps, calories burned, or heart rate.
To track your workouts with the Fitbit Sense 2, swipe up on the watch face and select the exercise shortcut. Choose the appropriate activity and press the start button to begin tracking. The watch will record information such as duration, heart rate, and calories burned.
To view your sleep data on the Fitbit Sense 2, swipe down on the watch face and select the sleep icon. You will be able to see details about your sleep duration, sleep stages, and sleep quality.
Yes, the Fitbit Sense 2 has a digital display type. This means that the information on the screen is displayed using digital technology, providing clear visuals for the user.
Yes, the Fitbit Sense 2 has an always-on display. This means that the screen will remain visible at all times, allowing the user to easily check the time or other information without having to tap or wake up the device.
The Fitbit Sense 2 is positioned as a smartwatch. This means that it offers advanced features and capabilities beyond just timekeeping, such as fitness tracking, notifications, and other smart functionalities.
Yes, the Fitbit Sense 2 is waterproof. It is water-resistant up to 50 meters, making it suitable for swimming and other water-based activities. This level of waterproofing ensures that the watch can withstand splashes, showers, and even brief immersion in water without being damaged.
No, the Fitbit Sense 2 does not have a built-in camera. While it offers various features for health and fitness tracking, it does not include a camera function. This may be a drawback for users looking to capture photos directly from their smartwatch, but it does not impact its core functionalities as a fitness-focused device.
Yes, the manual of the Fitbit Sense 2 is available in English .
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Number of questions: 13After restoring to factory settings, the phone booted up in English and the settings icon is not active on the screen.
How do I see my hourly tracking progress on my sense 2
i need to have a copy of the little icons on the face, i dont know what they are
My wife has had small burns on her wrist when wearing her Fitbit Sense 2. Also, she frequently gets a red and a green light on the backside. What is that? Is it a problem?
How do you set the right time on Fitbit 2
I have a fitbit versa 2, I am trying to update to the Sense 2. I cant get past the step "the email address you provided is already taken by another fitbit account. My email address is "leeomaf@suddenlink.net. My versa 2 is on this account. I have unstalled it but from my phone and reinstalled the sense 2 several times.
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i need to have a copy of the icons on the face of the watch
I am trying to install the sense 2, I cant get past the email address already taken by another account. I have only one email
I would like my steps on the treadmill to count in my total for the day. I walked 15 minutes on the treadmill and it counted 8 steps.
The metal sensors fell off, how do I get it fixed?
My fitbit displays weather in degrees C. How do I change to F?