Oxygen Saturation Monitor Wellue Viatom O2 Ring Review | Unboxing | Medical Grade SpO2 | App Setup
O2Ring
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In order to test continuous SpO2 on smartwatches we need a particularly accurate and medically certified device – and we have that in front of us today. The Wellue O2Ring Wearable Sleep Monitor. The O2 ring takes a heart rate and SpO2 reading every 1 second.
In essence the O2 ring is a Medical – grade Continuous Ring Oxygen Monitor. The ring in the name does suggest that you place it on your finger. But not only does it show you the spot and continuous pulse rate and SpO2 metrics on the OLED touchscreen it also alerts you via vibrations that are adjustable in strength if it records low oxygen level or abnormal heart-rate. In addition there is a free iOS and Android App that records and plots your latest results onto SpO2 and heart rate charts. You can analyze your trendsl, export the data and so forth.
The ring is a one-size-fits-all, dimensions are 1.5” * 1,2” the outer OLED touchscreen is black and slick. You get to see key health stats and the battery charge left. The inner ring in is made of soft silicone that wraps around your finger for a relatively tight fit to keep the device in place and stop it spinning around. The ring circumference is rubberized and stretches from 50-82mm.
If we look inside the ring we will see the Led emitter and the photodiode on the other side. What these two points indicate is that the )2 ring implements ‘transmissive‘ pulse oximetry technology.
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