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Resmed O2 Tracker FAQs

O2 ring set-up

Learn how to wear, use and adjust your O2 ring for accurate and comfortable daily tracking

Choose a finger that offers a snug, comfortable fit. The device shouldn't be too tight or too loose. Wear the device on your thumb, or use your index finger if the fit on your thumb is too tight. Move the device along your finger to find the best fit. A loose fit may cause inaccurate measurements. Do not use your middle finger. If the device is too tight on your thumb or index finger, try your little finger

The device will power on immediately when you place it on your finger. If it doesn't power on, charge the device first.

Take the device off your finger, it will power off automatically in a while if not connected to the app.

You can wake up the screen by touching the key on top of the device. You can also check time and battery with the touch key.

Device time will automatically sync with your phone’s time once connected to Resmed O2 Tracker.

The device can store last 4 sessions, up to 10 hours for each. Short spot checks can be conducted and the SpO2 will be displayed on the device screen.

Sessions below 30 minutes will not be displayed in the app.