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💍 Own your health journey with the ring that knows you best.
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. With up to 8 days of battery life, water resistance up to 100 meters, and a unique sizing kit for a perfect fit, it offers continuous, adaptive health insights via Bluetooth on iOS and Android. Its minimalist design and multi-ring support make it a stylish, discreet companion for the health-conscious professional.
| ASIN | B0D9WW91P1 |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Age Range Description | Adult |
| Band Color | brushed silver |
| Band Material Type | Stainless Steel |
| Battery Average Life | 5 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #231 in Electronics ( See Top 100 in Electronics ) #2 in Smart Rings #7 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 | Tang Buckle |
| Color | Brushed Silver |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 4.0 4.0 out of 5 stars (8,845) |
| Display Type | No Display |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Buttons |
| Item Dimensions | 1.02 x 1.02 x 0.31 inches |
| Item Dimensions D x W x H | 1.02"D x 1.02"W x 0.31"H |
| Manufacturer | Oura |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Model Name | Oura Ring 4 - Brushed Silver - Size 12 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life |
| Model Number | JZ90-54220-12 |
| Operating System | Android |
| Shape | Round |
| Style Name | Metallic |
| Supported Application | Fitness Tracker, Sleep Monitor, Heart Rate Monitor, Multisport Tracker, Calendar, Reminders, Weather, Messages, Phone, Camera, Music Player, Voice Assistant, Elevation Tracker, Pedometer, Blood Pressure Monitor, Alarm, Voice Control, GPS, Email, Social Media, Find My Phone, Video Record, Voice Record, Time Display, Heart Rate Monitor, Blood Pressure Monitor, Pedometer, Multisport Tracker, Camera, … |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| 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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