---
product_id: 730688751
title: "Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days"
brand: "oura"
price: "£343.50"
currency: GBP
in_stock: true
category: "Oura"
url: https://www.desertcart.co.uk/products/730688751-oura-ring-generation-4-smart-ring-silver-size-6-size
store_origin: GB
region: United Kingdom
---

# 8-day battery life Aerospace-grade titanium durability 30+ biometric sleep & health metrics Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days

**Brand:** oura
**Price:** £343.50
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days by oura
- **How much does it cost?** £343.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/730688751-oura-ring-generation-4-smart-ring-silver-size-6-size)

## 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

- • **Effortless Endurance:** Up to 8 days of battery life means you stay connected without constant charging.
- • **All-Day Health Insights:** Track 30+ metrics including sleep, heart rate, stress, and women’s health with unmatched accuracy.
- • **Sleek & Resilient Design:** Crafted from aerospace-grade titanium for a lightweight, waterproof, and ultra-durable smart ring.
- • **Precision Fit, Guaranteed:** Use the exclusive sizing kit for a perfect, comfortable fit every time.
- • **Seamless Smart Connectivity:** Bluetooth-enabled for smooth syncing with iOS and Android devices, keeping your data at your fingertips.

## Overview

The Oura Ring Generation 4 is a sleek, titanium smart ring designed for professionals who demand precision health tracking. It monitors over 30 biometric signals including sleep, heart rate, and stress with clinical-grade accuracy, all while offering up to 8 days of battery life. Waterproof and ultra-durable, it syncs effortlessly with smartphones to deliver continuous, personalized wellness insights in a discreet, stylish form factor.

## Description

Introducing Oura Ring 4 - the next generation of smart rings that evolve. With your health as our top priority, the Oura Ring 4 features a new design made of all titanium and "Smart Sensing" that adapts to you beyond just measuring. Monitor over 30 biometrics quietly and comfortably including sleep, recovery, activity, heart health, stress and female health. With up to 8 days of battery life, you will forget you have it on

## Features

- 【 MEASURE THE SIZE BEFORE PURCHASING 】 - The size of the Oura Ring 4th Generation differs from the general ring size By measuring with the dedicated size kit before purchase, you can find the perfect size Additionally, you will receive a 1,500 JPY desertcart credit that can be used for future purchases of the Oura Ring
- 【 Outstanding Accuracy 】 - Oura tracks over 20 health metrics including sleep, activity, stress, heart health, and women's health indicators By utilizing cutting-edge sensing technology, it adapts to the unique physiological functions of the user, providing accurate and continuous data throughout 24 hours
- 【 Long-lasting Battery 】 - With up to 8 days of battery life, without screen or vibration, the Oura Ring 4 enables mindfulness From workouts to evening outings, you can be free and forget you are wearing it Until you start getting compliments
- 【 24-hour wear design 】 - The updated design of the Oura Ring 4 is more comfortable and fits better than ever, with 100m waterproof performance One of the toughest materials on earth, aerospace-grade titanium combines a gentle touch for sensitive skin with exceptional durability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9WW3YND |
| Additional Features | Activity Tracker |
| Age Range Description | Adult |
| Amazon Bestseller | #6,118 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #13 in Activity & Fitness Trackers |
| Band Color | Silver |
| Battery Average Life | 8 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Brand | OURA |
| Built-In Media | 1 x Oura Ring Gen 4, 1 x Quick Start Guide, 1 x main unit charger, Charging Cable, User Manual |
| Case Material Type | Titanium |
| Color | Silver |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth, USB |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 4.2 out of 5 stars (2,800) |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Item Dimensions | 24 x 24 x 7 mm |
| Item Dimensions D x W x H | 24D x 24W x 7H mm |
| Item Weight | 0.18 Kilograms |
| Manufacturer | Oura |
| Metrics Measured | Blood Oxygen (SpO2), Heart Rate, Sleep Duration, Stress |
| Model Number | JZ90-54217-06 |
| Shape | Round |
| Target Audience | Unisex Adults |
| Warranty Description | 2 Year Warranty |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |

## Product Details

- **Battery Cell Composition:** Lithium Polymer
- **Connectivity Technology:** Bluetooth, USB
- **GPS:** No GPS
- **Special Feature:** Activity Tracker
- **Wireless Communication Standard:** Bluetooth

## Images

![Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days - Image 1](https://m.media-amazon.com/images/I/61VwOjlW1AL.jpg)
![Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days - Image 2](https://m.media-amazon.com/images/I/71HkfJUj31L.jpg)
![Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days - Image 3](https://m.media-amazon.com/images/I/71fy0vF-LRL.jpg)
![Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days - Image 4](https://m.media-amazon.com/images/I/71+93pu7TrL.jpg)
![Oura Ring Generation 4 Smart Ring - Silver - Size 6 | SIZE CHECK FIRST: Compatible with Exclusive Size Kit | Monitor Sleep, Heart Rate & Fitness | Battery Lasts Up to 8 Days - Image 5](https://m.media-amazon.com/images/I/71AtLXpBl7L.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 6 - 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
- PAVOI 14K Gold Plated Solid 925 Sterling Silver CZ Simulated Diamond Stackable Ring Eternity Bands for Women

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**Shop now:** [https://www.desertcart.co.uk/products/730688751-oura-ring-generation-4-smart-ring-silver-size-6-size](https://www.desertcart.co.uk/products/730688751-oura-ring-generation-4-smart-ring-silver-size-6-size)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-01*