View the manual for the Fitbit Flex 2 here, for free. This manual comes under the category smartwatch and has been rated by 5 people with an average of a 8.1. This manual is available in the following languages: English. Do you have a question about the Fitbit Flex 2 or do you need help? Ask your question here




The Fitbit Flex 2 is a wristband activity tracker that is designed to monitor various aspects of your daily fitness routine. Made with a stainless steel housing and an elastomer band, it boasts a durable and comfortable design. Additionally, it is both dustproof and splashproof to ensure it can handle the rigors of daily wear. One notable feature of the Fitbit Flex 2 is its waterproof capabilities, allowing it to be submerged in water up to 50 meters. This makes it suitable for tracking swimming activities and ensuring it remains functional even in wet conditions. LED indicators are also present on the device to display important information at a glance. In terms of connectivity, the Fitbit Flex 2 utilizes wireless technology with Bluetooth 4.0 support. This enables seamless communication with compatible devices, such as smartphones or tablets, for data syncing and real-time tracking. However, it does not support Wi-Fi connectivity. The Fitbit Flex 2 serves as a reliable companion for tracking various fitness metrics throughout the day. While it lacks built-in GPS functionality for precise positioning, it excels at monitoring steps taken, distance traveled, calories burned, and active minutes. It also provides reminders to move and tracks sleep patterns to help users maintain a healthy lifestyle. Overall, the Fitbit Flex 2 is a durable and water-resistant wristband activity tracker with wireless connectivity. Its sleek design, along with its ability to track a range of fitness metrics, makes it a practical choice for individuals seeking to monitor and improve their daily activity levels.


| Brand | Fitbit |
| Model | Flex 2 | FB-403NV-EU |
| Product | smartwatch |
| Language | English |
| Filetype | User manual (PDF) |
| Product color | Navy |
| Device type | Wristband activity tracker |
| Band color | Navy |
| Housing material | Stainless steel |
| Band material | Elastomer |
| Dustproof | Yes |
| Splash proof | Yes |
| Waterproof | Yes |
| Waterproof up to | 50 m |
| LED indicators | Yes |
| Position location | No |
| Active minutes | Yes |
| Calories burned | Yes |
| Distance traveled | Yes |
| Pedometer | Yes |
| Stairs climbed | No |
| Floors climbed | No |
| Hours slept | - |
| Quality of sleep | - |
| Personal goals | - |
| Workout tracking | Yes |
| Eat & drink | - |
| Motion sensor | Yes |
| Vibrating motor | Yes |
| Accelerometer | Yes |
| Connectivity technology | Wireless |
| Wi-Fi | No |
| Bluetooth | Yes |
| Bluetooth version | 4.0 |
| Mobile operating systems supported | Android 4.3, Android 4.4, Android 5.1, iOS |
| Windows operating systems supported | Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64 |
| Mac operating systems supported | Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks |
| Battery life | 5 day(s) |
| Battery technology | Lithium Polymer (LiPo) |
| Charging time | 2 h |
| Width | 8.9 mm |
| Depth | 6.8 mm |
| Height | 31.7 mm |
| Weight | 23.5 g |
| Operating temperature (T-T) | -10 - 45 °C |
| Operating altitude | 0 - 9144 m |
| Display type | LED |
| Touchscreen | No |
| Manual | 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 Flex 2 below.
The Fitbit Flex 2 has a weight of 23.5 g.
In general, a smartwatch has no functionalities that a smartphone does not have.
It is sensible for you to switch off your smartwatch 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.
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 Fitbit Flex 2 has a height of 31.7 mm.
The Fitbit Flex 2 has a width of 8.9 mm.
The Fitbit Flex 2 has a depth of 6.8 mm.
To charge your Fitbit Flex 2, locate the charging port on the backside of the tracker, align it with the pins on the charger, and ensure they are securely connected. Plug the other end of the charger into a USB port or a wall adapter. The battery icon should appear on the display, indicating it is charging.
To change the wristband on your Fitbit Flex 2, locate the metal clasp on the underside of the tracker and press it firmly. Slide the tracker out of the wristband and insert it into a new wristband, ensuring it clicks into place securely.
Yes, the Fitbit Flex 2 is swim-proof and designed to be worn while swimming or showering. It is water-resistant up to 50 meters.
To track your daily steps on the Fitbit Flex 2, simply wear the device on your wrist and it will automatically begin counting your steps. You can view your step count by tapping the tracker twice until you see the step icon on the display.
To sync your Fitbit Flex 2 with your smartphone, first ensure that Bluetooth is enabled on your phone. Open the Fitbit app on your phone and navigate to the Dashboard. Tap on the account icon in the top-left corner and select your Fitbit Flex 2 from the list of devices. Follow the prompts to complete the syncing process.
Yes, Fitbit Flex 2 is dustproof. This means that it is protected against dust particles, making it suitable for outdoor activities where dust may be present.
Yes, Fitbit Flex 2 is waterproof. It is designed to be worn while swimming or in the shower, making it suitable for water-related activities.
Yes, Fitbit Flex 2 has LED indicators. These indicators provide visual notifications and feedback to the user, making it easier to track progress and stay updated on activity goals.
No, Fitbit Flex 2 does not have Wi-Fi connectivity. However, it does have Bluetooth 4.0 wireless technology, allowing it to connect to smartphones and other devices for data synchronization and notifications.
Fitbit Flex 2 supports Android 4.3, Android 4.4, Android 5.1, and iOS. This means that it can be used with a wide range of smartphones, making it compatible with many popular mobile platforms.
Yes, the manual of the Fitbit Flex 2 is available in English .
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Number of questions: 7My Flex 2 has recently started telling me at 10:00 in the morning that I've achieved my daily goal of 10,000 steps, when clearly I haven't. I tried restarting it but that made no difference. How do I restore it to begin a new day at midnight?
I have had my fit bit flex2 for two years. Today it will not sync with my iPhone. It flashes all white and one pink when I try to restart it. What do I do?
It’s not registering all my steps some of the time.
How do I replace a Fitbit Flex 2 with a Versa 2 when setting up
will flex 2 count a bike ride as steps if it is entered manually from the map portion that shows the ride
Does a 2016 Fitbit flex 2 do vitals : heart, bp, pulse, etc
my Fitbit Flex 2 is flashing red