Fitbit FB424BKBK Fitness Tracker: Advanced health monitoring with 24/7 heart rate, stress management, and sleep score
For the busy professional juggling work and wellness, the Fitbit Inspire 3 is your silent partner in health. It’s not just a fitness tracker; it’s a tool for managing daily stress and finding balance. The stress management feature alerts you to take a breath when your heart rate spikes during a hectic meeting, helping you reset without disrupting your flow.
This indoor companion offers advanced health insights with 24/7 heart rate monitoring and comprehensive sleep tracking. You’ll see your sleep score improve as you adjust habits based on detailed light, deep, and REM stage analysis. With smart notifications, you stay connected without constantly checking your phone. The long battery life means you can wear it for days, tracking workouts and monitoring your health seamlessly. It’s Alexa compatible for hands-free control, making it a natural part of your routine.
Features
- Workout intensity map with Active Zone Minutes for real-time exercise effort
- Comprehensive sleep tracking with light, deep, and REM stage analysis
- Smart notifications for calls, texts, and apps like weather
- Long battery life up to 10 days and water resistance up to 164 feet
- Advanced health monitoring with 24/7 heart rate, stress management, and sleep score
General specs
- Brand: Fitbit
- Model: FB424BKBK
- Seller: Amazon
- ID: B0B6WRFY5S
- Size: Small
- Weight: 130
- Battery Life: 10
- Connectivity: Bluetooth
- Health Sensors: Heart Rate
- Water Resistance: 5ATM
- First listed by seller: 1/21/26
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
United States
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| Brand | Fitbit | USMECBL | PJIVE | APPBYER | Moremore | MorePro |
| Model | FB424BKBK | DS10 | 70 | C60 | AIR2 | |
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| Price | $94.99 | $28.99 | $89.99 | $23.99 | $26.39 | $39.96 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 |
| Size | Small | Adjustable | Small | |||
| Weight | 130 | <num1>, <num2> | 18.4 | <num1>, <num2> | <num1>, <num2> | 150 |
| Battery Life | 10 | 10, 14 | 40, 60 | <num_from>, <num_to> | 7 | 7 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Display Size | 1.47 | 1.1 | 1.1 | 1.57 | ||
| Display Type | AMOLED | AMOLED | AMOLED | TFT | ||
| Health Sensors | Heart Rate | Blood Oxygen, Heart Rate | Blood Oxygen, Blood Pressure, Heart Rate | Heart Rate, Blood Pressure, SpO2 | Heart Rate, Blood Pressure, SpO2 | Heart Rate, Blood Pressure, SpO2 |
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | Android, iOS | Android, iOS | |
| Water Resistance | 5ATM | IP68 | IP68 | 5 ATM | IP68 | IP68 |
| Bluetooth Version | 5.0 | 5.0 | 5.0 | 5.0 | 5.2 | |
| GPS | None | None | None | |||
| Sports Modes | 25 | 25 | 112 | |||
| Band Material | Silicone | Silicone | Nylon, Silicone | |||
| Case Material | TPU | TPU | TPU | |||