You can also click any point in the historical trend to learn more about your measurement data and manage your health status. Features: (1) One step connection to Bluetooth pulse oximeter (2) Fast measurement and real-time display (3) Track and trend your measurement history ● Apple Health After getting your authorization, Blood Oxygen Monitor could synchronize your blood Oxygen monitor data with Fitness App, such as Apple Health SpO2%--Percentage of functional arterial oxygen saturation Pulse Rate-- Beats per minute (BPM) Perfusion Index--Pulsating blood flow(PI%) Note: The data provided by this APP is not intended for diagnosis or treatment purposes; always consult your doctor for any health condition.