Health Monitoring Features:
- Continuous heart rate monitoring.
- Sleep tracking.
- Blood oxygen saturation (SpO₂) measurement.
Additional Features:
- Built-in USB plug for easy charging.
- Supports notifications for calls and messages.
- Compatible with Android 4.4 or later and iOS 9.0 or later.
The Huawei Band 4 Black offers a comprehensive set of features for those seeking an affordable yet capable fitness tracker.





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