[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

血氧和心率是硬件光学方案,需选带多波长/多光路PPG传感器的型号,单光路PPG在深肤色和运动状态下误差可达±10bpm以上,静息心率测量更可靠但运动追踪不准

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82%
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Long-term
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