Oura
Oura Ring 4
SKU: JZ90-54144-04
Regular price
$349.00
Oura Ring 4 pairs a wearable ring with the Oura App to help you follow sleep, daily activity and recovery. Choose a finish and the correct Oura size for a comfortable daily fit.
Details
Optical sensors track heart rate, heart-rate variability and blood oxygen. A temperature sensor follows temperature trends, while an accelerometer records movement.
Specifications
| Materials | Titanium exterior and interior |
|---|---|
| Width | 7.90 mm |
| Thickness | 2.88 mm |
| Weight | 3.3–5.2 g, depending on size |
| Battery life | 5–8 days, depending on size and usage |
| Charging time | 20–80 minutes, depending on battery level |
| Water resistance | 100 m / 328 ft |
| Connectivity | Bluetooth Low Energy; airplane mode |
| Compatibility | Oura App for iOS and Android |
| Sizes | 4–15; Oura sizing |
In the box
Oura Ring 4, size-specific charger and USB-C cable.
Before you order
An Oura Membership is required for full app functionality and is purchased separately. Use the sizing kit for this generation; Oura sizes differ from standard jewelry sizes.
Oura Ring 4
Regular price
$349.00