Garmin has introduced pulse ox sensors into a large part of its range, with the Fenix 7, Fenix 6X, Fenix 5X, Vivoactive 4 and Forerunner 245/645/945 all packing an SpO2 sensor.

Pulse Oximeters are an essential hospital tool and serious athletes rely on them to track the efficiency with which they pump oxygen into their blood stream. Masimo's new iSpO2 puts these rather ...

The spectral sensor also allows the system to continue working even when a user is in motion, compared to traditional pulse oximeters that require them to sit still while a measurement is taken.