---
product_id: 707004547
title: "Oura Ring 4 - Silver - Size 9 - Size Before You Buy"
brand: "oura"
price: "€ 488.66"
currency: EUR
in_stock: true
category: "Oura"
url: https://www.desertcart.pt/products/707004547-oura-ring-4-silver-size-9-size-before-you-buy
store_origin: PT
region: Portugal
---

# Titanium durability 50+ biometric insights 8-day battery life Oura Ring 4 - Silver - Size 9 - Size Before You Buy

**Brand:** oura
**Price:** € 488.66
**Availability:** ✅ In Stock

## Summary

> 💍 Elevate your wellness game—wear the future on your finger.

## Quick Answers

- **What is this?** Oura Ring 4 - Silver - Size 9 - Size Before You Buy by oura
- **How much does it cost?** € 488.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/707004547-oura-ring-4-silver-size-9-size-before-you-buy)

## Best For

- oura enthusiasts

## Why This Product

- Trusted oura brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **8-Day Powerhouse:** Forget daily charging with a robust 8-day battery and quick 80-minute wireless recharge—stay powered through your busiest weeks.
- • **Biometric Mastery:** Track heart rate, sleep, activity, stress, and even your cycle with over 50 precise biometrics for a truly personalized health roadmap.
- • **Titanium Toughness:** Crafted from aerospace-grade titanium for unmatched strength and featherlight comfort—wear it all day, every day.
- • **Seamless Smart Sync:** Effortlessly connect via Bluetooth to your smartphone for deep-dive analytics and actionable insights through the sleek Oura app.
- • **Waterproof & Workout Ready:** IP68 water resistance up to 328 feet means your ring keeps pace from marathon runs to swimming laps without missing a beat.

## Overview

The Oura Ring 4 in silver is a sleek, titanium smart ring designed for professionals who demand precision health tracking and style. With an 8-day battery, advanced biometric sensors monitoring heart rate, sleep, activity, and stress, plus seamless Bluetooth app integration, it empowers you to optimize your daily performance and recovery. Water resistant up to 328 feet and available in multiple sizes, it’s the ultimate wearable for holistic health insights without the bulk of a smartwatch.

## Description

Free delivery and returns on eligible orders. Buy Oura Ring 4 - Silver - Size 9 - Size Before You Buy at desertcart UK.

## Features

- Compact and intelligent design for comfortable everyday wear
- Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking
- Long battery life with convenient wireless charging
- Seamless smartphone app integration for detailed health and activity analytics
- Available in multiple finishes and sizes for personalized style

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9WWB3WX |
| Age Range Description | Adult |
| Band Colour | Silver |
| Band Material Type | Titanium |
| Battery Average Life | 8 days |
| Battery Capacity | 192 hours |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Best Sellers Rank | 481 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 3 in Wearable Tech Rings |
| Box Contents | Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable |
| Brand Name | OURA |
| Case Material Type | Titanium |
| Closure Type | Slip On |
| Colour | Silver |
| Communication Feature | Bluetooth |
| Compatible Devices | PC, Smartphone, Tablet |
| Compatible Phone Models | All current smartphone models with iOS and Android operating systems |
| Connectivity Technology | Bluetooth |
| Controller Type | ring |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 4.2 out of 5 stars (8,968) |
| Display Type | No Display |
| EU Spare Part Availability Duration | 8 Days |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Item Dimensions | 26 x 26 x 7 millimetres |
| Item Dimensions D x W x H | 26D x 26W x 7H millimetres |
| Item Weight | 0.18 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Heart Rate, Sleep Duration, Activity, Stress |
| Model Name | Oura Ring 4 |
| Model Number | JZ90-54217-09 |
| Operating System | Proprietary OS |
| Product Features | Heart Rate Monitor, Activity Tracker |
| Product Warranty | 3 year manufacturer warranty |
| RAM Memory Installed | 512 KB |
| Shape | Round |
| Sport Type | Fitness, Swimming |
| Style Name | Modern |
| Supported Application | Apple Health |
| Target Audience | Unisex Adult |
| Warranty Type | Lifetime |
| Water Resistance Depth | 328 Feet |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP68 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |

## Product Details

- **Battery capacity:** 192 hours
- **Battery cell composition:** Lithium Polymer
- **Brand:** OURA
- **Connectivity technology:** Bluetooth
- **GPS:** No GPS
- **Model name:** Oura Ring 4
- **Operating system:** Proprietary OS
- **Shape:** Round
- **Special feature:** Heart Rate Monitor, Activity Tracker
- **Wireless communication standard:** Bluetooth

## Images

![Oura Ring 4 - Silver - Size 9 - Size Before You Buy - Image 1](https://m.media-amazon.com/images/I/41GjsbIPS8L.jpg)
![Oura Ring 4 - Silver - Size 9 - Size Before You Buy - Image 2](https://m.media-amazon.com/images/I/41Fdd-lX47L.jpg)
![Oura Ring 4 - Silver - Size 9 - Size Before You Buy - Image 3](https://m.media-amazon.com/images/I/41g5bwA978L.jpg)
![Oura Ring 4 - Silver - Size 9 - Size Before You Buy - Image 4](https://m.media-amazon.com/images/I/414AOMY+IfL.jpg)
![Oura Ring 4 - Silver - Size 9 - Size Before You Buy - Image 5](https://m.media-amazon.com/images/I/41UpQ-ZtUuL.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 - Silver - Size 9 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
- sylacor Ring Cover for Oura Ring Gen 4/ Gen 3, Anti-Scratch Elastic Silicone Oura Ring Case Protector for Men Women Working Out Gym
- 10 Pack Ring Cover Compatible with Oura Ring Gen 4/Oura Ring Gen 3 Horizon/Gen 3 Heritage, Surport Charging with Cover on, Anti-Scratch Elastic Silicone Ring Protector for Men Women Working Out Gym

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**Shop now:** [https://www.desertcart.pt/products/707004547-oura-ring-4-silver-size-9-size-before-you-buy](https://www.desertcart.pt/products/707004547-oura-ring-4-silver-size-9-size-before-you-buy)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-15*