loading
loadingloading
Fitbit Sense 2 Graphite/Graphite
FB521BKGB-FRCJK
$445
± Click the icons above as terms, conditions & fees apply
Participating Credit Cards. 6 Months Interest Free.
No Interest. No Deposit. Monthly payments required.
Product Overview
Key Features
- Smart watch with 1.58 Inch AMOLED display
- Heart rate, ECG, SpO2, sleep and stress tracking
- Up to 6 plus days battery life, fast charging
- Bluetooth 5.0, water resistant, GPS enabled
Key Specifications
- Brand:
- Fitbit
- Model Number:
- FB521BKGB-FRCJK
- Compatible Phones:
- Apple iOS 16.4 or higher, Android OS 11.0 or higher, Certain features like smartphone notifications may require Android 11+
- Face Size (mm):
- 40
- Display:
- AMOLED with Corning Gorilla Glass 3
- GPS:
- GPS + GLONASS
Phones & Wearables
- Strap:
- Small band fits wrists 5.1 - 7 inches, Large band fits wrists 6.5 - 8.6 inches in circumference
Screen Technology
- Display Resolution (px):
- 336 x 336
Capacity
- Storage Capacity:
- 4GB
- Memory:
- Tracks 7 days of minute by minute activity data
Connections
- Connections:
- Bluetooth v5.0
Power & Charging
- Battery Life:
- Up to 6 Days
Options
- Sensor Technology:
- Multi-path optical heart rate sensor, Electrical sensor for skin conductance (cEDA) compatible with ECG app & EDA app, Red and infrared sensors for oxygen saturation (SpO2), Gyroscope, Altimeter, Accelerometer
- Trackers:
- Sleep Mode & Profile, Smart Wake, Stress Management Score, ECG App, Health Metrics, Daily Readiness Score
Audio
- Audio:
- 75dB SPL 10cm Speaker & Microphone
Safety
- Water Resistant:
- Up to 50m (swimproof)
General Information
- Type:
- Smart Watch
- Family:
- Sense 2
- Colour:
- Grey
- Supplier Colour:
- Graphite/Graphite
- Band Colour:
- Grey
- Materials:
- Aluminum watch case and buckle
- Additional Features:
- Vibration motor, 40+ Exercise Modes, Built-in Alexa Voice Assistant, Google Wallet
- What's In The Box:
- Classic bands (small & large), Charging cable
Warranty
- Manufacturer's Warranty:
- 2 Year
Phones & Wearables
- Strap:
- Small band fits wrists 5.1 - 7 inches, Large band fits wrists 6.5 - 8.6 inches in circumference
Capacity
- Storage Capacity:
- 4GB
- Memory:
- Tracks 7 days of minute by minute activity data
Power & Charging
- Battery Life:
- Up to 6 Days
Audio
- Audio:
- 75dB SPL 10cm Speaker & Microphone
General Information
- Type:
- Smart Watch
- Family:
- Sense 2
- Colour:
- Grey
- Supplier Colour:
- Graphite/Graphite
- Band Colour:
- Grey
- Materials:
- Aluminum watch case and buckle
- Additional Features:
- Vibration motor, 40+ Exercise Modes, Built-in Alexa Voice Assistant, Google Wallet
- What's In The Box:
- Classic bands (small & large), Charging cable
Product Dimensions
- Product Height (mm):
- 11.2
- Product Width (mm):
- 40.5
- Product Depth (mm):
- 40.5
- Product Weight (g):
- 37.6
Box Dimensions
- Box Height (mm):
- 66
- Box Width (mm):
- 177
- Box Depth (mm):
- 91
- Box Weight (kg):
- 0
Product Reviews of Fitbit Sense 2 Graphite/Graphite
Overall Rating Snapshot
4.6 out of 5 stars from 17 reviews
88% of users recommend this product
What customers say, summarised by AI
- Offers impressive sleep tracking and customisable insights
- Setup is straightforward with helpful in-store staff support
- Navigation can be tricky at first, but help resources are useful
- Extensive health features including ECG and community support
- Strap comfort is a concern; fabric options are difficult to find
- Some users experienced severe syncing and reliability issues
Pros
Easy (3)
Fitness
Fantastic very intuitive and can be adjusted to suit sleep scores are amazing
Brian
Confirmed purchase 15 July 2026
Published on 12 August 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Perfect
Very pleased with new watch and your staff member set it up perfectly - Did a wonderfull job
Elizabeth Lee
Confirmed purchase 20 June 2026
Published on 15 July 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Good product
Difficult to first navigate but help section is good
Debra
Confirmed purchase 8 March 2026
Published on 4 April 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Stylish watch
Great watch Lots of features. Stylish Tracks steps.
Kerrie Hoare
Confirmed purchase 12 December 2025
Published on 7 January 2026
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
awsome device
great unit
alex
Confirmed purchase 20 September 2025
Published on 22 December 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Smart watch
Worth for money
gaurav sharma
Confirmed purchase 8 October 2025
Published on 5 November 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Fitbit Sense 2
Happy with the watch/pulse
David
Confirmed purchase 15 January 2025
Published on 12 February 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Excellent features
Easy to install and use
Colin
Confirmed purchase 27 December 2024
Published on 22 January 2025
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Love my new Fitbit Sence 2 . Easy to use
Tina
Confirmed purchase 20 December 2024
Published on 15 January 2025
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
Great watch
Not a fan of the silicone strap, difficult to find a fabric strap for this watch though. Features are great. Easy to work and download info
Tish
Confirmed purchase 26 May 2023
Published on 18 June 2023
Yes, I recommend this product.
This customer is a verified purchaser who may have received an incentive in return for providing an authentic review.
You've viewed 10 of 17 reviews
ABOUT THE GOOD GUYS REVIEWSThe Good Guys product reviews are collected from verified purchasers who may have received an incentive in return for providing an authentic review.
The below information is AI generated based on Australian websites information around this item. We have done our best to ensure its accuracy but suggest verifying any information within this tab before purchasing.
At a glance
The Fitbit Sense 2 is a premium health-focused fitness tracker smartwatch for people who want deeper stress, sleep and heart monitoring alongside everyday notifications and calls. It suits wellness-minded users, busy professionals and active beginners who value comfort and all-day wear. Its key strengths are stress insights, sleep tools and useful smart features, but it is less app-flexible than some full smartwatches.
What it’s great for
- Stress tracking
- Sleep improvement
- Everyday health monitoring
- Light to moderate fitness tracking
- Daily smartwatch convenience
Where it works best
- Home
- Gym
- Walking routes
- Office
- Daily commuting
- Travel
Who it’s for
- Health-conscious adult
- Busy professional
- Beginner exerciser
- Everyday wellness user
- Sleep-focused user
Things to consider
It delivers strong health and stress tools, but it is not as versatile as a full app-centric smartwatch for broader third-party apps and advanced smartwatch customisation.
Beginner vs athlete fit
8/10 - excellent for beginners and everyday exercisers, but less specialised for performance-focused athletes than advanced training watches.
Health monitoring depth
9/10 - strong health coverage with stress tracking, sleep tools, ECG, HRV and blood oxygen insights.
Smartphone compatibility
Compatible with smartphones for notifications, calls, texts and supported Google and Alexa features; some apps and voice features vary by country, language and device.
Battery endurance rating
7/10 - suitable for day-and-night tracking, though heavy smart feature use may matter more than on simpler fitness bands.
Water resistance score
7/10 - suitable for everyday active wear and general water exposure, but not positioned here as a specialist dive or watersports watch.
Key benefits
- Continuous EDA sensor: helps identify signs of stress through the day so you can act earlier with guided coping tools.
- cEDA body-response tracking: highlights moments linked to stress, excitement or stimulants so you can better understand daily triggers.
- Sleep Profile and sleep tracking: gives clearer insight into sleep patterns and monthly trends to help improve rest habits.
- Heart health sensors: lets you view heart rate variability, blood oxygen trends and ECG rhythm checks for broader wellness awareness.
- Lightweight, thin design: stays comfortable for all-day wear, workouts and overnight sleep tracking.
- On-wrist Bluetooth calls and texts: keeps key communication accessible without reaching for your phone every time.
- Google Maps support: makes turn-by-turn navigation easier to follow from your wrist while walking or commuting.
- Alexa voice assistant support: gives quick hands-free access to simple requests, reminders and smart assistance.
Q: Can the Fitbit Sense 2 make calls or send texts without my phone nearby?
A: No. The Sense 2 supports Bluetooth calls, texts and phone notifications only when it is paired with a compatible smartphone nearby. It is not a standalone cellular watch, so it cannot place calls or use mobile data on its own.
Q: Is the Fitbit Sense 2 better suited to health tracking or full smartwatch use?
A: It is better suited to health and wellness tracking first. Sense 2 includes smartwatch tools like Alexa, Google Maps, Google Wallet and notifications, but its main strengths are stress, sleep, heart rhythm and fitness insights rather than broad app support.
Q: Does the Fitbit Sense 2 track stress automatically during the day?
A: Yes. Sense 2 uses a continuous EDA sensor to monitor stress signals during the day and can send notifications when your body shows signs of stress. It is designed for ongoing tracking, not just manual check-ins started from the watch.
Q: Can I use Google Maps and Google Wallet on the Fitbit Sense 2 in Australia?
A: Yes, with a compatible smartphone and supported setup. Google Maps and Google Wallet are available on Sense 2, but app availability can vary by country or language, and Wallet use also depends on whether your bank supports Google Wallet.
Q: How can I confirm that model FB521BKGB-FRCJK is the Fitbit Sense 2 in Graphite?
A: The code FB521BKGB-FRCJK matches the Fitbit Sense 2 in the Graphite case and Graphite band finish. Matching the full model code is the most reliable way to confirm you are buying this exact colour variant, not another Sense or Versa model.