---
product_id: 670498037
title: "Ring 4 | Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life"
brand: "oura"
price: "144989 kr"
currency: ISK
in_stock: true
category: "Oura"
url: https://www.desertcart.is/products/670498037-ring-4-smart-ring-size-first-with-oura-ring-4
store_origin: IS
region: Iceland
---

# 8 days battery life All-titanium durable & sleek design 30+ biometric sleep & health metrics Ring 4 | Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

**Brand:** oura
**Price:** 144989 kr
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Ring 4 | Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life by oura
- **How much does it cost?** 144989 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/670498037-ring-4-smart-ring-size-first-with-oura-ring-4)

## 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

- • **Wear It, Forget It:** Up to 8 days battery life with no screens or vibrations—focus on living, not charging.
- • **Fit for Every Finger:** Size first with the Oura Ring 4 Sizing Kit—perfect fit guaranteed before you buy.
- • **Exclusive Wellness Club:** Enjoy a free first month of Oura Membership for deeper data analysis and personalized guidance.
- • **Luxury Meets Durability:** Crafted from all-titanium for a lightweight, water-resistant ring that’s built to last.
- • **Precision Meets Personalization:** Smart Sensing tech tracks 30+ biometrics for tailored health insights.

## Overview

The Oura Ring 4 is a sleek, all-titanium smart ring designed for 24/7 wear, offering advanced health tracking with over 30 biometric sensors including sleep, heart rate, and activity. It boasts up to 8 days of battery life, a custom sizing kit for the perfect fit, and an optional membership for enhanced insights, making it a premium wearable for health-conscious professionals.

## Description

Buy Oura Ring 4 - Rose Gold - Size 7 - Smart Wearable | Size First with Oura 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit and receive a dh35.00 desertcart credit towards the future purchase of an Oura Ring 4.
- OURA MEMBERSHIP - First month of membership is free with your purchase, $6.99/mo afterwards. Offer available to new members only. Or opt for the annual prepaid option for $79.99. Membership is tied to your account via the Oura App, not your physical ring.
- ACCURACY - SMART SENSING - Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night.
- LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments.
- DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9WVLGJR |
| Age Range | Adult |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Batteries Included? | Yes |
| Best Sellers Rank | #68 in Sporting Goods ( See Top 100 in Sporting Goods ) #1 in Wearable Tech Rings #2 in Activity Trackers |
| Brand | OURA |
| Color | Rose Gold |
| Compatible with | Smartphone |
| Customer Reviews | 4.0 4.0 out of 5 stars (4,981) |
| Date First Available | 11 April 2025 |
| Display Type | No Display |
| Features | Activity Tracker |
| Included Components | Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable |
| Item model number | JZ90-54219-07 |
| Manufacturer | Oura |
| Meter | Heart Rate Monitor, Sleep Tracker |
| Number of Items | 1 |
| Product Dimensions | 2.5 x 2.5 x 0.8 cm; 181 g |
| Shape | Ring |
| Size | 7 |
| Style | Rose Gold, Sleek, Elegant |

## Product Details

- **Battery cell composition:** Lithium Polymer
- **Connectivity technology:** Bluetooth
- **Operating system:** Android
- **Special features:** Activity Tracker
- **Wireless communication standard:** Bluetooth

## Images

![Ring 4 | Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 1](https://m.media-amazon.com/images/I/51zKmnnZU8L.jpg)

## 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 - Rose Gold - Size 7 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
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**Shop now:** [https://www.desertcart.is/products/670498037-ring-4-smart-ring-size-first-with-oura-ring-4](https://www.desertcart.is/products/670498037-ring-4-smart-ring-size-first-with-oura-ring-4)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-05*