General Information for Fitbit Smart Watch
Fitbit Sense 2. Touchscreen. GPS (satellite). Weight: 200 g. Waterproof up to: 50 m, Band colour: White, Band size: S/L. Operating system installed: Fitbit OS
Sense 2
Understand stress with all-day body response tracking.Identify patterns of stress with all-day body response tracking and smart notifications to remind you to reflect on your emotions. Try new ways of managing stress with guided breathing, exercise, meditations and more.
Sleep Profile and Sleep Score give insights for better sleep.Sleep Profile9 breaks down your sleep data each month and pinpoints how you can improve sleep based on 10 key sleep metrics.
Check your Sleep Score to learn about the quality of your previous night's sleep, and get a breakdown of time in light, deep, and REM sleep with Fitbit Premium.2
Focus on your heart with the ECG app and heart rate tracking.Use the ECG app for on-demand atrial fibrillation assessment or turn on irregular heart rhythm notifications to assess your heart rhythm while you're still or sleeping.3
Heart rate tracking surfaces insights from your sleep, stress, activity, and more while high and low heart rate
notifications keep a close eye on your heart.
Get more out of your workouts.
Your Daily Readiness Score analyzes recent activity, sleep, and heart rate variability. Maybe youre signed up for a HIIT class but change plans after seeing your score Fitbit Premium serves up a yoga flow for you.2
Help from Google Maps and Google Wallet.
Reach your destinations easier with turn-by-turn directions from Google Maps.5 Make speedy, secure checkouts from your wrist with Google Wallet.4 Sense 2
Further details for this product, Sense 2, can be found at the manufacturer website. Please note, these web addresse(s) are supplied by 3rd parties, Quzo UK is not responsible for the content.
Fitbit Sense 2 Lunar White/Platinum
Fitbit Sense 2. Touchscreen. GPS (satellite). Weight: 200 g. Waterproof up to: 50 m, Band colour: White, Band size: S/L. Operating system installed: Fitbit OS
Initial Release Date: 10/07/2022
Read more »
Fitbit Sense 2 Digital Touchscreen Aluminium GPS (satellite) FB521SRWT Specifications
Product Type
Smart Watch
Collection Model
Fitbit Sense 2
Manufacturer Product Type
Fitbit Smart Watch
Manufacturer Product Type
Fitbit Smartphones & Wearables
Market positioning
Smartwatch
Watch case colour Aluminium
Watch case material Aluminium
Band colour White
Product colour Platinum, White
Product colour
White
Band size S/L
Minimum strap length 12.9 cm
Maximum strap length 20.9 cm
Colour display Yes
Suggested gender Unisex
Waterproof Yes
Watch glass type Corning Gorilla Glass 3
Removable strap Yes
Product Family Sense 2
Touchscreen Yes
Built-in microphone Yes
Built-in speaker(s) Yes
Bluetooth Yes
Wi-Fi No
Bluetooth Version 5.0
Near Field Communication (NFC) Yes
USB port No
Headphone connectivity Bluetooth
Operating system installed Fitbit OS
Mobile operating systems supported Android, iOS
Virtual assistant Amazon Alexa
Battery technology Lithium Polymer (LiPo)
Charging time 2 h
GPS (satellite) Yes
GLONASS Yes
Battery Life 6 day(s)
Battery Life 144 h
Battery life (GPS mode) 5 h
Short Message Service (SMS) Yes
Width 40.5 mm
Thickness 1.23 cm
Thickness 6.6 cm
Depth 176 mm
Width 91 mm
Weight 200 g
Depth 40.5 mm
FM radio No
Alarm Clock Yes
Built-in camera No
Heart rate monitor Yes
Distance travelled Yes
Calories burned Yes
Quality of sleep Yes
Ambient light sensor Yes
Vibrating motor Yes
Year 2022
Smart notifications Yes
Find my phone function Yes
Call notifications Yes
SMS notifications Yes
Workout tracking Yes
Advanced workouts Yes
Automatic daily activity detection Yes
Altimeter Yes
Answerphone remote access Yes
Accelerometer Yes
Blood pressure monitor Yes
Blood oxygen sensor Yes
Activity tracker Yes
Always-on display Yes
Shape Square
Closure type Single prong strap buckle
Waterproof up to 50 m
Protection Features Water resistant
Heart rate sensor type Optical
Harmonized System (HS) code 8517620000
Skin temperature sensor Yes
Thermometer Yes
Vibrating alarm clock Yes
Country of origin United Kingdom
Operating temperature (T-T) -10 - 45 C
Wrist size range 129 - 209 mm
Battery Type Built-in battery
Package depth 219 mm
Package width 194 mm
Package height 369 mm
Charger Yes
Charging base Yes
Mobile network connection No
Battery life (max) 144 h
Rechargeable battery Yes
Colour of product White
MPN FB521SRWT
Fitbit Sense 2 Digital Touchscreen Aluminium GPS (satellite) FB521SRWT Reviews
Michael - 3 out of 5 Reviewed on stuff.tv in the United Kingdom on 04 June 2024
A sleek watch made for health and wellness monitoring that's a poorer smartwatch thanks to some missing features from the original.ProsConsFitbit has been in the business of keeping us active for a while now, having joined the original Apple Watch and Sam...
+Pros, Reliable fitness tracking features, Bigger push on stress monitoring, Addition of physical button-Cons, Loses features from first Sense, Stuttering software, Still just okay sports trackingAs a smartwatch that puts health, stress and sleep monitoring at the forefront, the Sense 2 offers plenty to satisfy most. Outside of that, the Sense 2 does feel like an inferior smartwatch to its predecessor and to the new Google Pixel Watch, which packs...
Reviewer - 3 out of 5 Reviewed on techradar.com in the United Kingdom on 22 November 2022
The Fitbit Sense 2 is the flagship Fitbit watch for 2022. It takes the health-tracking obsession of the original Fitbit Sense, improves stress-tracking flexibility, and adds a physical button instead of a finicky pressure-sensitive spot on the side.It's a...
Reviewer - 4 out of 5 Reviewed on t3.com in the United Kingdom on 09 October 2022
All the best features, news, tips and great deals to help you live a better life through technology Thank you for signing up to T3. You will receive a verification email shortly. There was a problem. Please refresh the page and try again. Long story short...
+Beautiful, dainty design,Premium build quality and materials used,Excellent sleep and stress tracking performance,Updated user interface is easy to navigate,-No WiFi connectivity, No music storage or even control options, No third-party app support (currently, not even for Google products),The Fitbit Sense 2 is an excellent health smartwatch that stuns with its updated user interface and improved stress tracking features. However, probably due to being part of the broader Google wearable portfolio, the Sense 2 has lost some key features, in...
Reviewer - 4 out of 5 Reviewed on trustedreviews.com in the United Kingdom on 07 October 2022
The Fitbit Sense 2 feels like a better watch for monitoring different aspects of your health but a worse smartwatch than the original Sense. If you want the best that Fitbit can offer on all fronts, then you might be best avoiding this one...
Cam - 4 out of 5 Reviewed on pocket-lint.com in the United Kingdom on 04 September 2022
+Lightweight and comfortable design,Lots of advanced fitness and health tracking capabilities,Plenty of custom strap options to choose from,6+ days battery-Not as fully featured as some "true" smartwatches,Small-ish square design won't suit every wrist,Some features locked behind 'premium' paywall