[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

对心率数据准确性要求极高(如精准区间训练、竞技备赛)的用户,臂带仍不能100%替代胸带,胸带的心电(ECG)测量原理天然比光电(PPG)更准,臂带是舒适性与准确性的折中

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85%
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Long-term
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