Some research studies have found that certain physical traits, including, but not limited to darker skin pigmentation, finger thickness, peripheral perfusion and external factors, including but not limited to finger nail polish colors may create variations in readings. These readings could make the oxygen level to deviate from actual results. Users are strongly recommended to establish a baseline value.
It is recommended that users consult a licensed healthcare provider or professional on how to interpret user readings based on physical traits or characteristics.
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