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💍 Unlock your health’s hidden potential—wear the future on your finger.
The Oura Ring 4 Smart Ring in Stealth (Size 10) is a cutting-edge biometric wearable crafted from titanium, designed to track over 50 health metrics including sleep, heart rate, stress, and women’s health. Featuring Smart Sensing technology, it adapts to your body for precise, continuous monitoring. With up to 8 days of battery life, 100-meter water resistance, and seamless Bluetooth connectivity, it offers a stylish, low-profile way to stay on top of your wellness. Multi-ring support and an included membership enhance personalization and insights, making it a must-have for health-conscious professionals.
| ASIN | B0D9WVKWXN |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Band Material Type | Titanium |
| Battery Average Life | 5 days |
| Battery Capacity | 19 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #246 in Electronics ( See Top 100 in Electronics ) #3 in Smart Rings |
| Brand | OURA |
| Built-In Media | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Cellular Technology | Not Supported |
| Closure Type | No Closure |
| Color | Stealth |
| Communication Feature | Bluetooth, GPS |
| Compatible Devices | Smartphone |
| Compatible Phone Models | all current iPhone models, all current Android models |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 4.0 4.0 out of 5 stars (9,012) |
| Display Type | No Display |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Touchscreen |
| Item Dimensions | 0.94 x 0.94 x 0.31 inches |
| Item Weight | 6.3 ounces |
| Manufacturer | Oura |
| Memory Storage Capacity | 16 MB |
| Metrics Measured | Body Temperature, Heart Rate, Menstrual Cycle, Sleep Duration |
| Model Number | JZ90-54218-10 |
| Operating System | Android, iOS |
| RAM Memory Installed | 16 MB |
| Shape | Round |
| Style Name | Metallic |
| Supported Application | Fitness Tracker, Sleep Monitor, Voice Control, Time Display, Messages, Social Media, Heart Rate Monitor, Pedometer, Reminders, Weather, Calendar, Music Player |
| Supported Satellite Navigation System | GPS |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Limited |
| Water Resistance Depth | 100 meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |
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