O2 ring set-up
Learn how to wear, operate and adjust your O2 ring far accurate and comfortable daily tracking
Choose a finger that offers a snug, comfortable fit-neither too tight nor too loose. Wear the device on thumb finger, index finger as option in case of too tight for thumb. Try to move the device along the forefinger to find out the best fit. Avoid being loose. Loose wearing causes inaccurate measure. Do not use the middle finger; if too tight for thumb or forefinger, try little finger.
Wear the device on your finger, it will power on automatically. If can’t power on, charge you device first.
Take the device off your finger, it will power off automatically in a while if not connected to App.
Touch the key on the top of device, you can wake up the screen. You can also check time and battery with the touch key.
Device time will automatically sync with your phone’s time once connected to myNarval
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.