Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Fitbit Sense 2

40.30 mm
Currently out of stock
Free shipping starting at 30,–

Case colour3

Product details

The Fitbit Sense 2 is an advanced smartwatch designed to support the well-being and health of its users. With a sleek design and a variety of features, it offers a comprehensive solution for fitness tracking and health monitoring. The watch is equipped with a durable aluminum case and a comfortable silicone strap, making it suitable for both everyday wear and sports activities. The digital time display allows for easy readability, while the long battery life of up to six days ensures continuous use without frequent recharging. The Sense 2 features state-of-the-art Bluetooth technology, enabling seamless connectivity to other devices and supporting NFC for contactless payments.

  • Comprehensive health monitoring with advanced sensors
  • Long battery life of up to 6 days
  • Bluetooth 5.0 for enhanced connectivity
  • NFC function for contactless payments.

Key specifications

Smartwatch functions
Alarm clockTouch screen
Health functions
Blood pressure measurementCaloriesHeart rate measurementPedometerRespiratory rate
Operating system compatibility
AndroidiOS
Wristband material
Silicone
Case material
Aluminium
Item number
49579357

General information

Manufacturer
Fitbit
Category
Smartwatches
Manufacturer no.
FB521BKGB-US
Release date
19.9.2024

Colour

Exact colour description
GraphitesShadow Grey

Watch properties

Watch type
Smart watch
Durability
Waterproof
Protection type (IP code)
Waterproof
Operating system
Fitbit OS
Operating system compatibility
AndroidiOS
Integrated components
MicrophoneSpeakers

Functions

Smartwatch functions
Alarm clockTouch screen
Health functions
Blood pressure measurementCaloriesHeart rate measurementPedometerRespiratory rate
Sensors
AccelerometerAmbient light sensorHeart rate sensorTemperature sensor
Localisation technology
GLONASSGPS

Display properties

Time display
Digital

Wristband properties

Wristband colour
Graphite
Wristband material
Silicone
Wristband size
LS

Case properties

Case colour
Black
Case material
Aluminium
Glass
Gorilla Glass 3
Shape of watch
Square
Case diameter
40.30 mm
Case thickness
11.20 mm

Connectivity

Connectivity
BluetoothNFC
Bluetooth version
5.0

Power supply

Battery type
LiPo
Runtime (in GPS mode)
0.21 day
Charging time
2 h
Battery life
6 Days
battery runtime
0.02 Year

Smart home features

Smart home ecosystem
Amazon Alexa

Origin

Country of origin
United Kingdom

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Weight
37.64 g

Legal Notice

Product Safety

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Smartwatches» category have a defect within the first 24 months?

Source: Galaxus
  • 9.Xcoast
    2,7 %
  • 12.Amazfit
    2,8 %
  • 12.Fitbit
    2,8 %
  • 14.VTech
    3 %
  • 15.Xiaomi
    3,2 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • 16.CMF
    3 days
  • 16.Coros
    3 days
  • 16.Fitbit
    3 days
  • 16.Polar
    3 days
  • 20.Samsung
    4 days

Return rate

How often is a product of this brand in the «Smartwatches» category returned?

Source: Galaxus
  • 1.OPPO
    1,7 %
  • 2.Fitbit
    2,6 %
  • 3.Wahoo
    2,8 %
  • 4.Xiaomi
    3,1 %
  • 5.TCL
    3,8 %
Source: Galaxus

Translation: machine translated
Overall ratingGood75/100
Good72/100
ImTest Logo
Rank 14 out of 17ImTestDie Besten 25 Smartwatches im TestReleaseMarch 2024

Apple defends the smartwatch throne with the Ultra 2. The first-class overall package of unique smart and "good" sports and fitness functions keeps the Apple Watch Ultra 2 at the top of the smartwatch list. The better battery life alone compared to all other Apple Watches is a reason to buy...

Without ratingNo rating
notebookcheck.com Logo
notebookcheck.comSingle testReleaseJuly 2023
  • PositiveGoogle Maps and Wallet integrated
  • Positivegood wearing comfort
  • Positivecomprehensive equipment
  • NegativeLow adaptability of the software
  • NegativeMeasurements partly not manually triggerable
  • NegativeTelephone function too slow
Good73/100
Stiftung WarentestSingle testReleaseJune 2023

Many smartwatches and fitness wristbands tested are real all-rounders: they serve as heart rate monitors and altimeters, count steps, calculate the length of distances covered as well as calorie consumption and analyse sleep patterns. Some can also be used to play music, make phone calls or send and receive messages from messenger services such as Whatsapp...

Good70/100
techstage.de Logo
techstage.deSingle testReleaseMarch 2023
  • Positivegood workmanship
  • PositiveIntegrated GPS
  • PositiveECG function
  • PositiveHands-free function
  • PositiveExtensive activity and health tracking
  • NegativeNo own music control
Good79/100
Computer Bild Logo
Rank 3 out of 6Computer BildTest SmartwatchesReleaseFebruary 2023
  • PositiveGood fitness and health analysis
  • Positivemulti-day duration
  • NegativeRudimentary smart functions
  • NegativeApps from Fitbit only

A bird in the hand is worth two in the bush! Fitbit concentrates on its strengths: Fitness, health, battery life. Instead, it lacks sophisticated smartwatch functions and music playback. The Sense 2 is a good, enduring fitness companion that is easy to use, but a little sluggish.

This test report belongs to a different type: Sense 2 (40.30 mm)
Very good80/100
Computer Bild Logo
Computer BildSingle testReleaseDecember 2022
  • PositiveDetailed analysis of fitness and health including ECG
  • NegativeFew clever functions
  • NegativeDelayed reaction to inputs

Fitbit focuses on its strengths with the new watches: Fitness, health and battery life. Smart functions and music playback are missing. The Sense 2 is a good, enduring fitness companion, the Versa 4 was slightly off in the heart data.

This test report belongs to a different type: Sense 2 (40.30 mm)