Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Fitbit FB424BKBK Black, Small Fitness Tracker
Available offers (4)
Current
Black, Small
Retailer
€84.45
Available to order
Features
- Advanced health monitoring with 24/7 heart rate, stress management, and sleep score
- 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
General specs
- Brand: Fitbit
- Model: FB424BKBK
- Seller: Retailer
- ID: B0B6WRFY5S
- Size: Small
- Weight: 130
- Battery Life: 10
- Connectivity: Bluetooth
- Health Sensors: Heart Rate
- Water Resistance: 5ATM
- First listed by seller: January 21, 2026
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
United States
United States
Available
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.
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| Brand | Fitbit | USMECBL | ZKSSGY | PJIVE | APPBYER | Moremore |
| Model | FB424BKBK | C60 | DS10 | 70 | C60 | |
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| Price | €84.45 | €31.14 | €22.24 | €71.18 | €19.44 | €26.69 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 29, 2026 | Mar 25, 2026 | May 5, 2026 | Apr 10, 2026 | May 13, 2026 | Apr 23, 2026 |
| Size | Small | Adjustable | M | Small | ||
| Weight | 130 | <num1>, <num2> | 25 | 18.4 | <num1>, <num2> | <num1>, <num2> |
| Material | Silicone | Silicone | Nylon, Silicone | |||
| Battery Life | 10 | 10, 14 | 7 | 40, 60 | <num_from>, <num_to> | 7 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Display Size | 1.47 | 1.1 | 1.1 | 1.1 | ||
| Display Type | AMOLED | Touchscreen, Color, AMOLED | AMOLED | AMOLED | ||
| Health Sensors | Heart Rate | Blood Oxygen, Heart Rate | Blood Oxygen, Blood Pressure, Heart Rate | 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 | IP68 | 5 ATM | IP68 |
| Bluetooth Version | 5.0 | 5.3 | 5.0 | 5.0 | 5.0 | |
| GPS | Via Smartphone | None | None | |||
Fitbit FB424BKBK Black
€84.45
When this device makes sense
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