SelfSync

SpO2 data message

SpO2 data messages store the blood oxygen saturation readings of the pulse oximeter, during spot checks, at night or all day.

FIT name
spo2_data
Global message number
269
JavaScript SDK key
spo2DataMesgs
Fields
5

Fields

  • timestampDateTimes

    Moment the message refers to, in UTC. FIT stores it as seconds since the FIT epoch (December 31, 1989, 00:00:00 UTC); decoders usually expose it as a regular date.

  • readingSpo2Uint8percent

    Blood oxygen saturation (SpO2) reading.

  • Confidence of the reading.

  • modeEnum

    How the reading was taken: spot check, continuous, periodic or off wrist.

    4 possible values
    • offWrist
    • spotCheck
    • continuousCheck
    • periodic
  • mesgNumString

    Global message number identifying the kind of message. Decoders use it to know which profile to apply to the data.

Other health and monitoring messages

See all the FIT messages