O Ring Smart Ring, Fitness Trackers Rings with Sleep/Stress/Heart Rate/Women's Health Monitoring, No Subscription, Comfortable Wearing, Long Using, Fitness Ring for Android & iOS, Black-Size9
Get the Sizing Kit FirstThe sizing of the O Ring smart ring differs from standard jewelry rings. You must use our official sizing kit before purchasingwear the tester ring to confirm comfort and accuracy. This step is critical to ensure reliable heart rate and HRV tracking. Innovative Stress TrackingThe Opove fitness tracker ring tracks HRV in the background 24 hours a day, automatically quantifies stress levels, and helps you manage stress through personalized insights. Easily track your body's responses without disrupting your daily life. Comprehensive Sleep ManagementThe O Ring records and analyzes deep sleep, light sleep, REM, and wake duration in detail, providing core vital signs data such as sleep score, heart rate, blood oxygen, and HRV. It turns complex sleep information into understandable scientific advice to help you manage your sleep. One Ring, Multiple FunctionsOne Opove fitness ring handles all your daily health management needs: step tracking, activity tracking, mood tracking, menstrual cycle prediction for women, basal body temperature monitoring, and more. Continuous performance improvements and new feature additions provide a customized and evolving experience. No Subscription FeeAll practical and fun features are free with the companion app (App Name: Opove). The O Ring ensures you can continuously experience real-time health tracking and personalized insights. (Compatible with both iOS and Android)
+
+
Specs
Reviews
Any questions? Our AI beta will help you find out quickly.
Try me now
Learn more about the Detailed Specifications
Additional Information
First Listed on Newegg
June 10, 2026
There are no reviews yet.
Do you own this product?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.