I found a smart ring that rivals the Oura 4 but costs less (and has no subscription)
Most smart rings these days claim to offer marathon battery lives but often fall short of their promise. Many smart rings claim to last a week's worth of battery but only make it to five or six days ...
What the Comfort Class Doesn’t Get
According to a poll from the American Psychiatric Association, financial issues are the No. 1 cause of anxiety for Americans: ...