Quick facts
- Brand: OURA
- Price: USD 399.00
- Rating: 4.10 (8174 reviews)
The Oura Ring 4 is a minimalist smart ring designed for people who want continuous tracking without a screen, buzzes, or distractions. In this Brushed Silver Size 9 version, Oura focuses on comfort for 24/7 wear while capturing data day and night via Smart Sensing.
You can view the current price and full details on Amazon here.
It tracks over 50 health metrics across sleep, activity, stress, heart health, and women’s health metrics, then syncs to the Oura App on iOS or Android. It also integrates with 40+ apps—useful if you already rely on platforms like Apple Health, Google Health Connect, Strava, Natural Cycles, or Flo.
Important: Oura Ring 4 uses unique sizing that differs from standard jewelry. To avoid fit issues, use the Oura Ring 4 Sizing Kit before purchasing. Your purchase includes the first month of Oura Membership for new members (subscription required after the first month).
- Unique Oura Ring 4 sizing—use the Oura sizing kit to confirm your fit before buying
- Tracks 50+ health metrics including sleep, activity, stress, heart health, and women’s health metrics
- Smart Sensing adapts to you for continuous, day-and-night data
- Up to 8 days of battery life, with no display, no vibrations, and no screens
- Designed for 24/7 wear and water resistant for everyday use
- Bluetooth connectivity; works with iOS and Android and integrates with 40+ apps
- HSA/FSA eligible for the ring, additional chargers, and shipping (where applicable)
In the box you’ll get the Oura Ring 4, charger, USB cable, and setup materials—so you can start syncing and exploring your insights quickly.






