Best for ECG functionality
Amazfit Active 2
2.5 feature score
Highest scored product for this feature based on supporting review evidence.
Best Amazfit Wearable Tech for ECG functionality
ECG functionality Decision Dashboard
Safest pick
Amazfit T-Rex 3 Pro
1.5 feature score
Balances feature score, supporting reviews, and overall product strength.
Most evidence
Amazfit Balance 2
2 supporting reviews
Has the broadest review evidence for this feature.
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Reviewers noted the lack of ECG as an expected limitation for this price rather than a surprising omission.
Pros: pairing reliability, value for money
Cons: stress tracking, onboard music storage
ECG functionality is a weakness because reviewers explicitly flagged ECG as missing or something that might put buyers off.
Pros: workout tracking variety, calorie tracking usefulness
Cons: LTE connectivity, ECG functionality
ECG functionality was a clear missing feature in reviews that compared the Balance 2 with higher-end watches or listed absent health tools.
Pros: Bluetooth connectivity, calorie tracking usefulness
Cons: ECG functionality, flashlight usefulness