How to Measure Blood Oxygen (SpO2) on HUAWEI Watch Fit 4 Pro

Wearing the Watch Correctly

• ⌚ Ensure the HUAWEI Watch Fit 4 Pro is worn snugly on your wrist, about two fingers away from your hand, to prevent movement during measurement.

Accessing and Measuring SpO2

• 👑 Wake the watch screen, press the crown button to open the menu, and find the SpO2 icon.
• 📜 If it's your first time, you'll need to scroll down and tap agree twice to accept the terms.
• ⏱️ Tap on measure to begin the blood oxygen level reading, which typically takes 20-40 seconds.

Understanding Results and Auto Measurement

• 📊 The watch displays your current blood oxygen level and a graph of your stats throughout the day, as auto measurement is usually enabled by default.

Huawei Health App Settings

• 📱 To manage SpO2 settings, ensure your watch is paired with your phone and open the Huawei Health app.
• ⚙️ Navigate to Devices, select your watch, then go to Health Monitoring and find the Automatic SpO2 option.
• 🔛 Here you can turn automatic SpO2 monitoring on or off.

Setting Up Low SpO2 Alerts

• ⚠️ Within the Huawei Health app's SpO2 settings, you can configure low blood oxygen alerts by selecting a threshold from 75% to 90%.