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💍 Elevate your wellness game with the ring that knows you best
The Ring 4 Smart Ring in Rose Gold combines cutting-edge health monitoring—heart rate, sleep, and activity tracking—with up to 8 days of battery life and wireless charging. Designed for all-day comfort and seamless smartphone integration, it offers a personalized, stylish wearable experience for professionals who demand both function and fashion.
| ASIN | B0D9WV32B1 |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Age Range Description | Adult |
| Band Color | Rose Gold |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Capacity | 21 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #42 in Electronics ( See Top 100 in Electronics ) #1 in Smart Rings #38 in Activity & Fitness Trackers |
| Brand | OURA |
| Built-In Media | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Case Material Type | Rose Gold |
| Closure Type | Slip On |
| Color | Rose Gold |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 4.2 out of 5 stars 7,674 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Buttons |
| Item Dimensions | 0.91 x 0.91 x 0.31 inches |
| Item Dimensions D x W x H | 0.91"D x 0.91"W x 0.31"H |
| Item Height | 0.8 centimeters |
| Manufacturer | Oura |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Model Name | JZ90-54219-13 |
| Model Number | JZ90-54219-13 |
| Operating System | Proprietary OS |
| Shape | Round |
| Sport Type | Fitness |
| Style Name | Minimalist |
| Supported Application | Fitness Tracker, Sleep Monitor |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Standard |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP53 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
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