Oura Ring 4 – Smart Ring for Sleep, Heart Rate & Activity Tracking
Oura Ring 4 – Smart Ring for Sleep, Heart Rate & Activity Tracking
Unsure of your size? Buy the Sizing Kit
A titanium smart ring for everyday sleep, activity and recovery insights.
Features and specifications
- Smart Sensing technology; heart rate, heart rate variability, temperature trends, movement and overnight blood oxygen sensing.
- Sleep, activity, readiness and stress insights through the Oura App.
- Titanium interior and exterior with recessed sensors.
- Battery: typically 5–8 days; charging approximately 20–80 minutes. Actual performance varies.
- Water resistance: up to 100 metres.
- Bluetooth Low Energy; compatible with iOS and Android.
- Width: 7.90 mm; thickness: 2.88 mm; ring weight: 3.3–5.2 g, depending on size.
Sizing
Oura sizes 4–15. Use the Oura Ring 4 sizing kit and test your fit for at least 24 hours before choosing. Oura sizing differs from standard ring sizing.
In the box
Ring, size-specific charger and USB-C cable.
Membership
Full insights require a separately paid Oura Membership. Without membership, functionality is limited. Feature availability varies by country.
Finishes
Choose Silver, Black, Brushed Silver, Stealth, Gold or Rose Gold, then select your Oura size.
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.
