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meldamoore posted an update 4 years, 11 months ago

A normal pulse oximeter uses an digital processor and 2 small light-emitting diodes (LEDs) going through a photodiode thru a translucent a part of the patient’s frame, commonly a fingertip or an earlobe. One LED is pink. https://www.jotform.com/EricaHess/maelys-b-tight-booty-mask-review

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