Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
Samsung SM-R860NZKAXAA Black, 1.57-inch AMOLED, 16GB, Built-in GPS, 40h battery 40mm Bluetooth Smartwatch with ECG Heart Monitor
Available offers (2)
Current
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Black, 1.57-inch AMOLED, 16GB, Built-in GPS, 40h battery
Retailer
€139.51
Available to order
Price history by offer
Volatility: HighFeatures
- ECG and heart rate monitoring
- Body composition analysis
- Advanced sleep and SpO2 tracking
- Automatic workout detection
- Fall detection with GPS
- Google services and apps
- Up to 40 hours battery life
- Water resistant 5ATM and IP68
General specs
- Brand: Samsung
- Model: SM-R860NZKAXAA
- Seller: Retailer
- ID: B096BJLZZM
- GPS: Built-in
- Weight: 25.9
- Storage: 16
- Battery Life: 2, 3
- Connectivity: Bluetooth, GPS
- Display Size: 1.57
- Display Type: AMOLED
- Sports Modes: 6
- Band Material: Silicone
- Case Material: Stainless Steel
- Health Sensors: Heart Rate, SpO2, ECG
- Battery Capacity: 247
- OS Compatibility: Android
- Water Resistance: IP68
- Bluetooth Version: 5.0
- First listed by seller: June 5, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
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United States
United States
Available
For the active individual who wants to track health and fitness without constant phone checks, the Samsung Galaxy Watch 4 is your go-to companion. It’s perfect for monitoring your heart during a stressful workday or keeping tabs on sleep quality to wake up more refreshed.
Beyond basic tracking, this watch offers a unique perspective: it acts as a personal health coach on your wrist. The body composition analysis gives you tangible data like body fat percentage right after your morning workout, helping you make informed decisions about your fitness routine. You’ll notice the ECG feature provides clear readings that you can easily share with your doctor during check-ups.
In daily use, the automatic workout detection kicks in seamlessly during a run, and the fall detection sends an alert almost instantly if you take a hard tumble. With Google services built-in, you can pay for groceries or get directions hands-free, making it a true extension of your smartphone for staying connected and healthy.
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| Brand | Samsung | Apple | Fitbit | |||
| Model | SM-R860NZKAXAA | MWXF3LW/A | GA05773-US | GA05756-US | FB521GLBM-US | E800 |
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| Price | €139.51 | €434.66 | €267.49 | €294.21 | €178.31 | €42.29 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Banggood |
| Update | May 13, 2026 | Mar 21, 2026 | Apr 16, 2026 | Mar 24, 2026 | May 13, 2026 | May 9, 2026 |
| Weight | 25.9 | 0.507 lbs | 0.51 pounds | |||
| Battery Life | 2, 3 | 24 hours | 24 hours | |||
| Connectivity | Bluetooth, GPS | LTE | WiFi | |||
| Case Material | Stainless Steel | Matte Black Aluminum | Aluminum | |||
When this device makes sense
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