This subscription-free smart ring rivals Oura and is under $300 right now

ZDNET's key takeaways The RingConn Gen 2 is a subscription-free smart ring that retails for $300. It monitors your sleep, activity, stress, and vitals, and it's got a marathon battery life. The only downside is the user interface feels underdeveloped. View now at Amazon View now at Ringconn more buying choices Amazon is discounting the RingConn Gen 2 by $45, taking down the price of the smart ring from $300 to $255 on the first day of the Amazon Big Spring Sale event that runs through March 31. Also: The best Amazon Spring Sale deals live now 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 before dying on my. Part of the appeal of smart rings, compared to smartwatches, is their longer battery life, so what gives? Also: You can now buy Oura Rings at Costco – and get an extra charger upon purchase I've got one for you if you want a ... Read full article.