As far as I know the smart rings are much more accurate than watches but that could just be marketing bollocks from Oura
My Oura Ring picked up on breathing fluctuations that my Garmin did not detect.
However my Oura Ring was also very battery-constrained so it also only looked at heart rate every few minutes. My Garmin measured it every second.
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My Oura Ring picked up on breathing fluctuations that my Garmin did not detect.
However my Oura Ring was also very battery-constrained so it also only looked at heart rate every few minutes. My Garmin measured it every second.