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 digital smartwatch with a square shape and an aluminum watch case material. It features a touchscreen display with an always-on color display for easy visibility. The band size is adjustable and comes in S/L size options for a comfortable fit. As a smartwatch, the Fitbit Sense 2 offers a wide range of features that cater to fitness enthusiasts. It tracks various fitness metrics such as steps taken, calories burned, and heart rate, and provides personalized insights and recommendations for improving health and wellness goals. Additionally, the Fitbit Sense 2 has a range of smart features such as a built-in voice assistant, GPS tracking, and compatibility with various third-party apps for convenience and added functionality. It also has water resistance capabilities and can be used for swimming exercises. Overall, the Fitbit Sense 2 is a reliable and durable sport watch option for those looking to track and improve their fitness goals, with the added convenience of smartwatch features.



| 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 |
| Colour display | Yes |
| Market positioning | Smartwatch |
| Watch case size | - mm |
| Watch case colour | Gold |
| Watch case material | Aluminium |
| Band colour | 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 travelled | 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.
Yes, the manual of the Fitbit Sense 2 is available in English .
Is your question not listed? Ask your question here
No results
Need help?
Do you have a question about the Fitbit and is the answer not in the manual?
Question and answer
Number of questions: 0