The MX Health Oximeter is a Medicare-approved pulse and SPO2 measurement device that quickly and accurately detects changes in your heart's oxygen levels. Used to monitor conditions like COPD, Asthma, Pneumonia, Lung Cancer, Anaemia and Congenial heart defects, this device offers fast, non-invasive and painless testing with results in under 10 seconds. In addition to visualizing your heartbeat, this device also offers a pulse rate alarm for abnormal rates as well as sound synchronization with your heartbeat.