Pulse Oximeter, Finger Pulse Oximeter and OLED Display-$6
Why do I need to use a pulse oximeter fingertip Many times we are in a state of hypoxia without knowing it, we often have some manifestations of hypoxia, but often feel that we have other problems, rather than think that we are hypoxic, but long term hypoxia will cause serious harm to the human…
$4.49
Why do I need to use a pulse oximeter fingertip Many times we are in a state of hypoxia without knowing it, we often have some manifestations of hypoxia, but often feel that we have other problems, rather than think that we are hypoxic, but long term hypoxia will cause serious harm to the human…