| Management number | 209140847 | Release Date | 2026/03/29 | List Price | $139.60 | Model Number | 209140847 | ||
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| Category | |||||||||
Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 50 health metrics including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health. Oura Ring quietly and comfortably monitors your health and with 5 to 8 days of battery life — you can forget it’s even on. With multi-ring support, change Oura Ring 4 styles as easily as changing your outfit. If you have two or more Oura Ring 4 styles, you can now switch easily between different finishes in the Oura App.
| Brand | OURA |
|---|---|
| Color | M - Silver |
| Shape | Round |
| Band Color | Silver |
| Style Name | Metallic |
| Item Weight | 5.2 Grams |
| Display Type | No Display |
| Manufacturer | Oura |
| Model Number | JZ90-54217-08 |
| BuiltIn Media | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Warranty Type | Standard/Full |
| Item Dimensions | 0.98 x 0.98 x 0.28 inches |
| Target Audience | Unisex Adults |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Battery Cell Type | Lithium Polymer |
| Waterproof Rating | IP68 |
| Band Material Type | Titanium |
| Case Material Type | Titanium |
| Compatible Devices | Smartphone |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Battery Charge Time | 80 minutes |
| Battery Average Life | 5 days |
| Warranty Description | 1 Year Manufacturer |
| Wireless Compability | Bluetooth |
| Communication Feature | App Integration, Bluetooth |
| Human Interface Input | Buttons |
| Supported Application | Over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Memory Storage Capacity | 5 MB |
| Item Dimensions D x W x H | 0.98"D x 0.98"W x 0.28"H |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Supported Satellite Navigation System | GPS |
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