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How to Measure Your Blood Oxygen Levels (SpO₂)
SpO₂ shows the percentage of oxygen in your blood.
Here's how to check it:
1. Tap the touch sensor on your HPB fitness tracker until you see the “Blood Oxygen” screen.
Above: “Blood Oxygen” screen
2. Press and hold the “Blood Oxygen” screen to start measuring your blood oxygen levels. The measurement will start after 3 seconds.
3. Remain seated and still during the measurement.
Above: What to expect during and after the measurement
4. If you see a “No reading” screen, wear your tracker properly and tap to try again.
How the Measurement Works
Your HPB fitness tracker uses a light sensor to measure SpO₂. The sensor shines light through your skin and calculates oxygen levels based on how much light is reflected back.
Note: These readings are not meant for medical purposes. If you're concerned about your readings, please speak to your doctor.