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💍 Elevate your wellness game—wear the future on your finger.
The Oura Ring 4 is a cutting-edge smart ring crafted from durable titanium, designed for continuous 24/7 health monitoring. It tracks over 50 vital health metrics including sleep, activity, stress, and women’s health, powered by adaptive Smart Sensing technology. With up to 8 days of battery life and water resistance up to 100 meters, it offers a seamless, stylish, and comfortable experience compatible with iOS and Android devices, integrating with over 40 popular health apps.
| ASIN | B0D9WVKRKS |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Age Range Description | Adult |
| Band Material Type | Titanium |
| Battery Average Life | 5 days |
| Battery Capacity | 18 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #212 in Electronics ( See Top 100 in Electronics ) #2 in Smart Rings #6 in Activity & Fitness Trackers |
| Brand | OURA |
| Built-In Media | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Closure Type | Buckle |
| Color | Stealth |
| 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 (8,781) |
| Display Type | No Display |
| EU Spare Part Availability Duration | 8 days |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Unknown |
| Item Dimensions | 0.91 x 0.91 x 0.31 inches |
| Item Weight | 0.18 kg |
| Manufacturer | Oura |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Model Name | Oura Ring 4 - Stealth - Size 9 |
| Model Number | JZ90-54218-09 |
| Operating System | i_os, 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 Control, Voice Record, Video Record, Find My Phone, Social Media, Email, GPS, Blood Pressure Monitor, Pedometer, Elevation Tracker, Voice Assistant, Time Display, Alarm, Contacts, Photo Gallery, Blood Pressure Monitor, Heart Rate Monitor, Multisport Tra… |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Standard |
| Water Resistance Depth | 100 meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless Provider | Verizon |
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