Smart ring, Women, Under 10 days
+Tracks sleep, activity, and women's health
+Compact smart ring form factor
+Battery lasts up to 8 days per charge
−Battery life runs under 10 days
$279.00-30%List: $399.00
as of 11/04/2026 00:34 PST - DetailsProduct details
Oura Ring 4 Smart Ring - Gold - Size 8 | Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life,
$279.00as of 11/04/2026 00:34 PST - Details
View on AmazonPros
+Tracks sleep, activity, and women's health
+Compact smart ring form factor
+Battery lasts up to 8 days per charge
+AI advisor feature for personal guidance
Cons−Battery life runs under 10 days
Compared with the 63 Fitness Trackers on this page+Under 10 days: only 4 of 20 here have more battery days
−Waterproof not listed: 58 of the 79 here list one
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