Out of stock Compare Quick view ChoiceMMed Fingertip Pulse Oximeter ChoiceMMed MSRP: Now: $34.99 Was: Oxygen binds to hemoglobin in red blood cells when moving through the lungs. It is transported throughout the body as arterial blood. A pulse oximeter uses two frequencies of light (red and infrared) to determine the percentage (%) of... MSRP: Now: $34.99 Was: Out of stock Compare Quick view