---
product_id: 680369286
title: "Oura Ring 4 Silver Size 10 Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life"
brand: "oura"
price: "€ 829.66"
currency: EUR
in_stock: true
reviews_count: 13
category: "Oura"
url: https://www.desertcart.at/products/680369286-oura-ring-4-silver-size-10-smart-ring-sizing-kit
store_origin: AT
region: Austria
---

# Continuous heart rate monitoring Advanced sleep & activity analytics Up to 8 days battery life Oura Ring 4 Silver Size 10 Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

**Brand:** oura
**Price:** € 829.66
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Oura Ring 4 Silver Size 10 Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life by oura
- **How much does it cost?** € 829.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/680369286-oura-ring-4-silver-size-10-smart-ring-sizing-kit)

## 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

- • **Tailored to You:** Multiple sizes and finishes ensure a perfect fit and style that complements your professional look.
- • **Power That Lasts:** Enjoy up to 8 days of uninterrupted use with fast, wireless charging.
- • **Effortless All-Day Wear:** Sleek, lightweight silver design fits comfortably for 24/7 health insights.
- • **Deep Health Intelligence:** Track heart rate, sleep quality, stress, and activity with clinical-grade precision.
- • **Seamless Smartphone Sync:** Instant Bluetooth connection delivers real-time data and personalized guidance via the Oura app.

## Overview

The Oura Ring 4 Silver Size 10 is a cutting-edge smart ring designed for professionals seeking discreet, continuous health monitoring. Featuring up to 8 days of battery life, advanced heart rate and sleep tracking, and seamless Bluetooth integration with its intuitive app, it offers personalized insights to optimize your wellbeing without compromising style or comfort.

## Description

Free delivery and returns on eligible orders. Buy Oura Ring 4 Silver Size 10 Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life at desertcart UK.

Review: Great Product - Great Product does the job on tracking sleep, heart rate, movement etc. Very easy to set up and get going. Would recommend for those that do not want to wear a smart watch.
Review: So So Happy! - I hesitated for a while before investing in this gadget. And I love my Gadgets! but after doing some homework on the competition, I decided to jump for it. First, the fit and metal colour are great, I couldn't be happier, the quality and durability is insane, i do everything with it, I rarely take it off. The connectivity to my Samsung Z Fold6 was flawless, no hiccups, plus, everything you open the app, it updates in no time. so great compatibility. Now, you need to give it time to gather data about you, of course... it will not happen overnight which is quite right, but the intel you get afterwards is great. Your body age, sleep quality, energy available, your stress, it is such a great little ring. it is a lot of money for such a small device but the value for money is worth it. I highly recommend it if you are curious and want to be nudge in the right direction for better health.

## 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 | B0D9WT1S2T |
| Age Range Description | Adult |
| Band Colour | Silver |
| Band Material Type | Silver |
| Battery Average Life | 8 days |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 80 minutes |
| Battery cell composition | Lithium Polymer |
| Best Sellers Rank | 310 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 1 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 | Smartphone, Tablet |
| Compatible Phone Models | [Broad range of smartphone models] |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | Ring |
| Country of Origin | Estonia |
| Customer Reviews | 4.2 out of 5 stars 6,939 Reviews |
| Display Type | No Display |
| GPS | No GPS |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Unknown |
| Item Dimensions | 27 x 27 x 7 millimetres |
| Item Dimensions D x W x H | 27D x 27W x 7H millimetres |
| Item Weight | 180 Grams |
| Manufacturer | Oura |
| Metrics Measured | Combination of Accelerometers, Optical Heart Rate Sensors, and Other Sensors |
| Model Name | Oura Ring 4 |
| Model Number | JZ90-54217-10 |
| Operating System | Android |
| Operating system | Android |
| Product Features | Heart Rate Monitor, Activity Tracker |
| RAM Memory Installed | 16 MB |
| Shape | Round |
| Special feature | Heart Rate Monitor, Activity Tracker |
| Style Name | Modern |
| Supported Application | Third-party applications |
| Supported Satellite Navigation System | GPS |
| Target Audience | Adult |
| Warranty Type | Standard/Full |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |

## Product Details

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

## Images

![Oura Ring 4 Silver Size 10 Smart Ring Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 1](https://m.media-amazon.com/images/I/5155uTN9BPL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Product
*by L***S on 23 March 2026*

Great Product does the job on tracking sleep, heart rate, movement etc. Very easy to set up and get going. Would recommend for those that do not want to wear a smart watch.

### ⭐⭐⭐⭐⭐ So So Happy!
*by M***D on 18 October 2025*

I hesitated for a while before investing in this gadget. And I love my Gadgets! but after doing some homework on the competition, I decided to jump for it. First, the fit and metal colour are great, I couldn't be happier, the quality and durability is insane, i do everything with it, I rarely take it off. The connectivity to my Samsung Z Fold6 was flawless, no hiccups, plus, everything you open the app, it updates in no time. so great compatibility. Now, you need to give it time to gather data about you, of course... it will not happen overnight which is quite right, but the intel you get afterwards is great. Your body age, sleep quality, energy available, your stress, it is such a great little ring. it is a lot of money for such a small device but the value for money is worth it. I highly recommend it if you are curious and want to be nudge in the right direction for better health.

### ⭐⭐⭐⭐⭐ Great item, very efficient at tracking
*by L***N on 8 April 2026*

I love this ring, it does everything and more that you could ever want from a fitness tracker. It also works really well alongside your Apple Watch. I would highly recommend and it was sent to me within 24 hours.

## Frequently Bought Together

- Oura Ring 4 - Silver - Size 10 - 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.at/products/680369286-oura-ring-4-silver-size-10-smart-ring-sizing-kit](https://www.desertcart.at/products/680369286-oura-ring-4-silver-size-10-smart-ring-sizing-kit)

---

*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-05-05*