GoKawiilAmazon cuts Oura Ring 4 price to $319.99, a $79 discount
Amazon is currently selling the Oura Ring 4 for $319.99, down 20% from its $399 list price, matching the lowest price seen since Prime Day. The smart ring tracks sleep, recovery, readiness, heart rate, temperature and stress, and offers roughly 5 to 8 days of battery life depending on size and settings.