---
product_id: 663759646
title: "Oura Ring 4 - Brushed Silver - Size 12 - Smart Ring, Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible"
price: "2482.44 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/663759646-oura-ring-4-brushed-silver-size-12-smart-ring-sleep
store_origin: TN
region: Tunisia
---

# 8-day battery life 50+ health metrics tracked Smart Sensing adaptive tech Oura Ring 4 - Brushed Silver - Size 12 - Smart Ring, Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible

**Price:** 2482.44 DT
**Availability:** ✅ In Stock

## Summary

> 💍 Elevate your health game with the ring that knows you best.

## Quick Answers

- **What is this?** Oura Ring 4 - Brushed Silver - Size 12 - Smart Ring, Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible
- **How much does it cost?** 2482.44 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/663759646-oura-ring-4-brushed-silver-size-12-smart-ring-sleep)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **FSA/HSA Eligible Wellness:** Invest in your health smartly—use HSA/FSA funds for your Oura Ring and accessories, making wellness tax-friendly.
- • **Precision Fit, No Guesswork:** Unique sizing kit ensures your perfect Oura Ring 4 fit before you buy—because comfort is key.
- • **Sleek Durability Meets Style:** Brushed Silver ceramic finish blends modern elegance with everyday toughness for the professional on the move.
- • **Deep Health Insights, All Day:** Track 50+ metrics including sleep, stress, heart, and women’s health with Smart Sensing tech that adapts to you.
- • **Effortless Power, Extended Wear:** Up to 8 days of battery life means you stay unplugged and focused—no screens, no distractions.

## Overview

The Oura Ring 4 in Brushed Silver is a cutting-edge smart ring designed for millennial professionals seeking precise health tracking and sleek style. Featuring Smart Sensing technology, it monitors over 50 health metrics including sleep, activity, stress, and women’s health, delivering personalized insights 24/7. With a unique sizing kit for perfect fit, up to 8 days of battery life, and a durable ceramic finish, it blends fashion with function. Plus, it’s FSA/HSA eligible, making it a savvy wellness investment.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | #65 in Electronics ( See Top 100 in Electronics ) #2 in Smart Rings |
| 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 out of 5 stars 7,801 Reviews |
| Display Type | No Display |
| GPS | GPS Via Smartphone |
| 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 |
| Special Feature | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| 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 | 1.0 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 Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |

## Product Details

- **Battery Cell Composition:** Lithium Polymer
- **Brand:** OURA
- **Connectivity Technology:** Bluetooth
- **GPS:** GPS Via Smartphone
- **Operating System:** Android
- **Shape:** Round
- **Special Feature:** Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight
- **Style:** Metallic
- **Wireless Communication Standard:** Bluetooth

## Images

![Oura Ring 4 - Brushed Silver - Size 12 - Smart Ring, Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible - Image 1](https://m.media-amazon.com/images/I/51yQA1CgzLL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: How long should my ring work between charges?**
A: Oura Ring 4 typically lasts 5-8 days on a full charge, depending on usage. Contact Oura Member Care if you have questions or concerns with battery life, and they will ensure your problem is resolved

**Q: How do I choose the right Oura Ring size?**
A: Using the Oura Ring 4 Sizing Kit, choose a finger for your ring. We recommend the index, middle or ring finger. Wear the sizer ring for 24 hours to ensure the fit is secure and comfortable over the course of your day.

**Q: What's included?**
A: Oura Ring 4, Oura Ring 4 Charger, and USB-C Cable.

**Q: How do I see my Oura Ring metrics?**
A: After activating your Oura Ring, you can choose a monthly or annual membership to unlock full access to Oura’s features, daily health and wellness metrics, and personalized guidance.

**Q: Can I use more than one ring?**
A: Oura Members can now connect more than one Oura Ring 4 to their Oura App and quickly switch between them. Note, this feature only supports wearing and syncing data from one active Oura Ring at a time.

## Frequently Bought Together

- 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 of Battery Life
- Oura Ring 4 Charger - Size 12 - Charging Dock and USB-C Cable - Charges Oura Ring 4 up to 8 Days

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**Shop now:** [https://www.desertcart.tn/products/663759646-oura-ring-4-brushed-silver-size-12-smart-ring-sleep](https://www.desertcart.tn/products/663759646-oura-ring-4-brushed-silver-size-12-smart-ring-sleep)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-09*