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Own it from $10 per week
Pay in 4 interest-free payments of $33.5
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Key Features
- The Fitbit Inspire 3 has a stylish, minimalist design.
- It monitors steps, calories, and active minutes.
- Provides valuable sleep data and tips.
- Lasts up to 7 days on one charge.
- Shows call, text, and app alerts on your wrist.

Fitbit Inspire 3 Smart Watch, Midnight Zen/Black FB424BKBK

This is Inspire 3—the tracker that helps you find your energy, do what you love and feel your best. All you have to do is wear it.
- • 10+ Days Battery Life
- • iOS and Android™ Compatible
- • Swimproof & Comfortable
- • Active Zone Minutes
- • Calls & Text Notifications
- • Smart Awake Alarm
- • Mindfulness Sessions
- • Stress Management Score
- • Always-on Display Mode
- • High & Low Heart Rate Notifications
KEY FEATURES:
DAILY READINESS SCORE PREMIUM
The best exercise is the one you already love, and if you’re unsure whether to go hard today or take it easy, your Daily Readiness Score lets you know.2
STRESS MANAGEMENT SCORE & RELAX BREATHING SESSIONS
Everyone feels stress—how you respond to it makes the difference. Stress Management Score and guided breathing sessions can teach you healthier ways to handle it all. The Relax app is like a mindfulness teacher on your wrist—guiding you through calming breathing sessions so you can find your happy place.
SLEEP SCORE & SLEEP PROFILE PREMIUM
Better energy starts with better rest. Track your Sleep Score, light, deep & REM sleep, sleeping heart rate and how consistent your schedule is. Your included Premium membership gives you access to your Sleep Profile—get matched with a sleep animal and see your personalised sleep analysis each month.3
ACTIVE ZONE MINUTES
Tracks your heart rate to know when you’re in fat burn, cardio or peak zones and can adjust your effort to match your goals. It doesn’t matter what you’re doing—if you’re moving, it’s exercise. Inspire 3 tracks your steps, distance, calories burned & Active Zone Minutes 24/7.
EXERCISE MODES + SMARTTRACK®
Choose from 20 exercise modes to get real-time stats like pace and calorie burn during a workout. If you forget to hit start, no sweat—SmartTrack® automatically records common exercises.
MENSTRUAL HEALTH TRACKING
Log periods, record symptoms, estimate ovulation & find patterns in your cycle using Inspire 3 and the Fitbit app.4
CALL & TEXT NOTIFICATIONS
Just glance down to see what’s up. When your phone’s in your pocket, you can be more present. Works when phone is nearby.
IRREGULAR HEART RHYTHM NOTIFICATIONS
Check for signs of an irregular heart rhythm that may be atrial fibrillation (AFib), and share any notable results with your doctor.5 If your heart rate goes above or below your usual range while you’re at rest, your Fitbit will send you a notification because it could mean something’s up.
UP TO 10 DAY BATTERY LIFE
Over a week of battery life for more go, more flow, more whoa. Battery life varies with use & other factors.
CLOCK FACES & ACCESSORIES
With so many clock faces and accessories choices, your looks stay new. Be discreet and clip it to your shirt, pocket or bra.8 Accessories sold separately.
1 New and returning Premium members only. Must activate membership within 60 days of device activation (requires valid payment). This membership cannot be gifted. Cancel before end of membership to avoid recurring fees. Content and features may change. T&C apply.
2 Fitbit Premium membership required to access Daily Readiness, Sleep Profile and most in-app mindfulness sessions. Premium content recommendations are not available in all locales and may be in English only.
3 Requires Fitbit Premium membership. Not intended for medical purposes. Consult your healthcare professional for questions about your health.
4 Not intended to be used for contraceptive or other medical purposes. May not accurately predict your menstrual cycles or related information. Intended only to help you monitor and keep track of certain information.
5 Only available in select countries; not intended for use by people under 22 years old or with known atrial fibrillation.
6 Only available in select countries. Not intended for medical purposes or to diagnose or treat any medical condition. This feature is only intended to provide information to assist you with managing your well-being.
7 Not intended to diagnose or treat any medical condition or for any other medical purpose. Intended to help you manage your well-being and keep track of your information. Requires more frequent charging.
8 While using the clip, heart rate-enabled features such as heart rate tracking, sleep tracking and Stress Management Score will not function.
Specifications
Global
- Model Number: FB424BKBK
General
- Colour: Black, Midnight
Features
- Alarm: Yes
- Altimeter: No
- Blood Oxigen Sensor: Yes
- Call Function: Yes
- Calorie Count: Yes
- Compass: No
- GPS: Yes
- Heart Rate Monitoring: Yes
- Step Count: Yes
- Water Resistant: Yes
Size
- Wrist Size (In): 5.5-7.1 small, 7.1-8.7 large
Design
- Strap Color: Midnight Zen Black
Battery
- Estimated Battery Life (h): 240 hrs (Up to 10 days)
Display
- Display Type: OLED
- Touch Screen: Yes
Sensors
- Heart Rate Sensor: Yes
In The Box & Warranty
- Included: 2 x Straps Small & Large, Charger
- Warranty (Years): 1
Why Buy?
A Simple Way to Feel Better About Your Health Every Day
If you've been thinking about getting on top of your health and wellbeing without overcomplicating things, the Fitbit Inspire 3 is a genuinely easy place to start. It quietly works in the background, giving you the nudges and insights you need to make small, meaningful changes.
Throughout the day, it tracks how much you're moving, how many calories you're burning, and how active you've actually been — no guesswork needed. At night, it goes a step further by monitoring your sleep and offering practical tips to help you rest better. And because it lasts up to a week on a single charge, you're not constantly hunting for the charging cable. Staying connected is easy too, with call, text, and app notifications showing up right on your wrist.
It's slim, lightweight, and looks good whether you're at the gym or heading out for the day. The sleek Midnight/Black finish suits just about any style, and wearing it quickly becomes second nature.
Buy This If…
- You want a fuss-free way to start tracking your health
- You're trying to improve your sleep and daily energy levels
- You'd rather not charge a device every single day
- You want subtle notifications without reaching for your phone
- You prefer a clean, understated look on your wrist




