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 ...
The RingConn Gen 2 Air deserves to be your first smart ring
The RingConn Gen 2 Air is a lite version of last year's $299 RingConn Gen 2. The Air is priced $100 lower, at $199, and can only be purchased from the company's website. Color options include Galaxy ...