Best for blood oxygen tracking
Xiaomi Redmi Watch 5 Lite
4.5 feature score
Highest scored product for this feature based on supporting review evidence.
Best Xiaomi Smart Watch for blood oxygen tracking
blood oxygen tracking Decision Dashboard
Safest pick
Xiaomi Redmi Watch 5
4.5 feature score
Balances feature score, supporting reviews, and overall product strength.
Most evidence
Xiaomi Watch 2
3 supporting reviews
Has the broadest review evidence for this feature.
Best overall product
Xiaomi Watch 2 Pro
3.7 overall score
Strongest overall product among items with scored evidence for this feature.
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Blood oxygen tracking was positively received where tested, with reviewers describing SpO2 monitoring as accurate or slightly more accurate than a comparison reading.
Pros: cross-platform compatibility, pairing reliability
Cons: third-party app support, contactless payments
Blood oxygen tracking received limited but positive accuracy evidence, with one reviewer saying readings were close in testing.
Pros: step counting accuracy, display quality
Cons: voice assistant quality, contactless payments
Blood oxygen tracking received positive practical comments, including useful breathing-score context and close comparison to another oximeter-style device.
Pros: charging speed, Bluetooth connectivity
Cons: ECG functionality, recovery insights
Blood oxygen tracking received limited but positive accuracy evidence, with one reviewer calling a 1% deviation acceptable and another saying SpO2 ranges were in a good place.
Pros: pairing reliability, outdoor visibility
Cons: ECG functionality, running power support
Blood oxygen readings were mostly acceptable, but one comparison found the Lite model slightly more accurate than the Active.
Pros: wellness insights, Bluetooth connectivity
Cons: contactless payments, third-party app support
Blood oxygen tracking drew negative accuracy evidence in one review, where readings did not match other trackers or a pulse oximeter.
Pros: battery life, software smoothness
Cons: contactless payments, recovery insights