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๐ Own your health, invisibly powerful.
The Oura Ring 4 Stealth is a sleek, titanium smart ring designed for adults seeking advanced health monitoring with up to 8 days of battery life. It tracks heart rate, sleep, activity, and womenโs health metrics, syncing seamlessly with iOS and Android devices. Water resistant to IP68 standards and wirelessly rechargeable in 80 minutes, it combines minimalist style with powerful wellness insights.
| ASIN | B0D9WVTHPV |
| Age Range Description | Adult |
| Band Colour | Stealth |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Capacity | 800 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Battery capacity | 800 |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | 59,008 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 135 in Wearable Tech Rings |
| Box Contents | Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable |
| Brand Name | OURA |
| Case Material Type | Titanium |
| Closure Type | Continuous |
| Colour | Stealth |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | All current iPhone models, all current Android models |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | App-based |
| Customer Reviews | 4.2 out of 5 stars 51 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Unknown |
| Item Dimensions | 28 x 28 x 8 millimetres |
| Item Dimensions D x W x H | 28D x 28W x 8H millimetres |
| Item Weight | 0.19 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Heart Rate Monitor and Sleep Duration |
| Model Name | Oura Ring 4 - Stealth - Size 7 |
| Model Number | JZ90-54218-07 |
| Operating System | Android |
| Operating system | Android |
| Product Features | Activity Tracker |
| Product Warranty | 3 year manufacturer warranty |
| Shape | Ring |
| Special feature | Activity Tracker |
| Sport Type | Multi-Sports |
| Style Name | Modern |
| Supported Application | Fitness Tracker |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Type | Lifetime |
| Water Resistance Depth | 328 Feet |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP68 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |
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