The Evie is able to monitor heart rate variability, SpO₂, resting heart rate, and skin temperature variability in addition to being able to track ovulation, periods, menstrual symptoms. On top of these stats, the Evie will also provide detailed information on active minutes, steps taken in a day, sleep stages, moods, etc.
The ring went through a hypoxia trial in October, returning clinical SpO₂ and heart rate readings in line with FDA accuracy standards. This should allow the manufacturer to market the Evie as a pulse oximeter, giving it a significant advantage over contemporary smart rings and even fitness trackers.
Certainly more competition is needed in this segment of the market, and a low profile health tracker is also a plus for many. I'm just wondering with that split design whether it is also going to get 6 to 7 days of battery life between charges.
See
The Oura Ring may have a worthy competitor in the upcoming Evie#
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