Get to know your body better with the Oura Ring 4. It's got discreet sensors that track your sleep...Get to know your body better with the Oura Ring 4. It's got discreet sensors that track your sleep, readiness, and daily activity. With an Oura Membership (sold separately), you can access features like in-depth sleep analysis, personalised health insights, and live heart rate monitoring. Whether you're cleaning the house or hitting the elliptical at the gym, it automatically detects your activity and gives you credits. Plus, the daily Readiness Score helps you decide when to push yourself or take it easy.
Good to know:
- It's comfortable to wear day and night, thanks to its non-allergenic, lightweight titanium design
- With a battery that lasts up to 8 days, you can go over a week without thinking about charging
- You can go swimming or do water sports - it's water resistant down to 100 metres
- Keep tabs on your daytime stress levels and learn how to build resilience over time
- By monitoring your heart rate, you'll gain insights into your cardiovascular age and cardio capacity
- Skin temperature tracking assists with illness detection and menstrual cycle insights
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Please note:
- To find the most comfortable fit, we recommend purchasing the Oura Ring 4 Sizing Kit. Sizing differs from Gen3 and standard ring sizes, so if you're switching rings or are unsure, use the correct kit. Wear the sizer for 24 hours to find your best fit.
- Some tracking and insight features are only available with an Oura Membership (sold separately). Non-paying members have access to 3 simple daily scores: Sleep, Readiness, and Activity, as well as interactive and educational Explore content.
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
Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 30 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.
Oura Ring 4 StealthFree delivery in 1–3 days£249.00Visit shop →
Oura Ring 4 StealthFree delivery in 1–3 days£249.00Visit shop →
Oura Ring 4 StealthFree delivery in 1–3 days£249.00Visit shop →
Oura Ring 4 StealthFree delivery in 1–3 days£249.00Visit shop →
OnBuy.comOura Ring 4 - Size 12 - Smart Ring | Size First With Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up To 8 Black 6430060153202
Oura Ring 4 Health & Fitness Tracker Smart Ring - Stealth Size 8 (Missing Items)Free delivery in 1–3 days£213.79Visit shop →
Product Information
Full details
The Oura Ring 4 is designed for adults seeking to understand their bodies better through advanced health tracking. Its key benefit is providing insights into sleep, readiness, and activity levels. A caveat is that some in-depth features require a separate Oura Membership. This guide will help you understand the ring's features, how to use it, and how to troubleshoot common issues, so you can make the most of your Oura Ring 4.
All features
Age Group
adult
Colour
Black
Gender
Unisex
Model Part Number
JZ90-54144-10
Brand
OURA
Extended Product Information
FAQs
How do I charge my Oura Ring 4?
Place the ring on the included wireless charger. A full charge takes approximately 20-80 minutes.
Is the Oura Ring 4 waterproof?
Yes, the Oura Ring 4 is water-resistant down to 100 meters, making it suitable for swimming and water sports.
What is the Oura Membership?
The Oura Membership is a subscription that unlocks advanced features, personalized insights, and content within the Oura app. Non-paying members still have access to 3 simple daily scores: Sleep, Readiness, and Activity, as well as interactive and educational Explore content.
How do I find the right ring size?
It is recommended to use the Oura Ring 4 Sizing Kit to determine the most comfortable and accurate fit. Wear the sizers for 24 hours to find your best fit.
How long does the battery last?
The Oura Ring 4 has a battery life of up to 8 days.
What kind of data does the Oura Ring 4 track?
The Oura Ring 4 tracks sleep, readiness, activity, heart rate, skin temperature, and more.
Can I wear the Oura Ring 4 while exercising?
Yes, the Oura Ring 4 is designed to be worn during various activities, including exercise.
What if my ring doesn't seem to be working correctly?
First, try restarting your ring and app. If the problem continues, consult the troubleshooting section of this guide, or contact Oura support.
Troubleshooting
Ring not syncing with the app.
Ensure Bluetooth is enabled on your phone and the ring is charged. Restart the app and the ring. If the problem persists, unpair and re-pair the ring.
Inaccurate sleep data.
Ensure the ring fits properly and is worn on the base of your finger. Review your sleep habits and environment for potential adjustments.
Ring not charging.
Make sure the ring is properly placed on the charger. Check the charger's power connection and try a different outlet.
App not displaying data.
Check your internet connection and ensure the app is updated to the latest version. Try logging out and back into the app.
Ring feels uncomfortable.
Make sure you have the correct size. Try wearing the ring on a different finger or adjusting the placement on your finger.
Pros and Cons
Pros
Provides in-depth insights into your sleep and overall health.
Comfortable and discreet design for everyday wear.
Long battery life allows for extended use without frequent charging.
Water-resistant, making it suitable for various activities.
Monitors a wide range of biometrics, including heart rate and skin temperature.
Offers personalized insights and recommendations based on your data.
Cons
Some advanced features require a paid Oura Membership.
Sizing can be tricky; a sizing kit is recommended for the best fit.
Data accuracy can be affected by improper fit or ring placement.
Limited display; all data is accessed via the smartphone app.
May not appeal to those who prefer traditional smartwatches.
The initial investment may be higher compared to basic fitness trackers.
Setup, Compatibility & Care
Sizing: Before setting up your ring, it is recommended to purchase the Oura Ring 4 Sizing Kit to ensure the most comfortable and accurate fit. Wear the sizer for 24 hours to find your perfect fit.
Charging: The Oura Ring 4 charges wirelessly. Place the ring on its charger, and the LED light will indicate the charging status. A full charge takes approximately 20-80 minutes.
App Setup: Download the Oura app on your smartphone (iOS or Android). Create an account or log in. Follow the in-app instructions to pair your ring.
Compatibility: The Oura Ring 4 is compatible with iOS and Android devices. Ensure your device meets the minimum system requirements listed on the Oura website.
Care:
Clean your ring regularly with a soft, damp cloth.
Avoid exposing the ring to harsh chemicals or extreme temperatures.
The ring is water-resistant, but avoid prolonged exposure to saltwater or chlorinated water.
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