Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.
💍 Own your health, invisibly powerful.
The Oura Ring 4 is a cutting-edge smart ring crafted from titanium, designed to track over 50 health metrics including sleep, activity, stress, and women’s health. Featuring Smart Sensing technology, it adapts to your body for continuous, precise monitoring. With up to 8 days of battery life, 100m water resistance, and seamless compatibility with iOS and Android devices, it offers a sleek, durable, and personalized wellness experience. Includes a sizing kit for perfect fit and a complimentary first-month membership for AI-powered health insights.
| ASIN | B0D9WT1S2T |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Age Range Description | Adult |
| Band Color | Silver |
| Band Material Type | Silver |
| Battery Average Life | 5 days |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #75 in Electronics ( See Top 100 in Electronics ) #2 in Smart Rings #4 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 | Titanium |
| Closure Type | Slip On |
| Color | Silver |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Controller Type | Ring |
| Customer Reviews | 4.0 out of 5 stars 8,396 Reviews |
| Display Type | No Display |
| GPS | GPS Via Smartphone |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Unknown |
| Item Dimensions | 1.06 x 1.06 x 0.28 inches |
| Item Dimensions D x W x H | 0.28"D x 1.06"W x 0.28"H |
| Item Weight | 180 Grams |
| Manufacturer | Oura |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Model Name | Oura Ring 4 |
| Model Number | JZ90-54217-10 |
| Operating System | iOS, Android |
| RAM Memory Installed | 16 MB |
| Shape | Round |
| Special Feature | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Style Name | Metallic |
| Supported Application | Fitness Tracker |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Standard/Full |
| Water Resistance Depth | 100 Meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
Trustpilot
2 months ago
1 day ago