£299.00
£499.00
40% Off
Oura Ring 4 – Ceramic Midnight – Size 8 | Smart Ring with Sleep & Fitness Tracking
Trustpilot Rated Excellent 4,000+ Reviews
Condition: Used – Like New
- New Out of stock
- Used – Like New Out of stock
Condition details
Know what to expect
Each condition grade explains the item’s expected cosmetic appearance. Used items are checked and tested before dispatch.
Tested
Checked before dispatch
Warranty
12-month cover included
Clear grading
Simple condition guide
Condition guide
New
Brand-new item
A brand-new, unused, unopened item in its original packaging, never worn, used, or activated, with all original packaging intact.
Like New
Pristine condition
The item appears as if it has just come out of a retail box. There are no signs of wear, and all original protective materials are intact. The item may have been opened or used very minimally but retains its pristine condition, and all original accessories are included.
Excellent
Barely used
The item has been lightly used and shows only very faint signs of wear that are hard to spot. It is 100% operational, functions as intended, and comes with all essential accessories.
Very Good
Minimal wear
The item shows minimal wear from general use and is 100% operational and functions as intended. It may have minor cosmetic imperfections but performs well, and may be missing non-essential accessories.
Good
Noticeable wear
The item is fully operational and functions as intended, but has noticeable wear from previous use. It may have aesthetic imperfections such as scratches or dents, and may be missing non-essential accessories.
Fair
Fairly worn
The item is fairly worn but continues to work perfectly. Signs of wear can include aesthetic issues such as scratches, dents, and worn corners, and it may be missing non-essential accessories.
In Stock – Ready to Dispatch
Overview
The Oura Ring 4 – Ceramic Midnight – Size 8 is a sleek, lightweight smart ring designed to deliver advanced health insights in a discreet, premium form. Engineered for accurate sleep tracking, heart rate monitoring and daily fitness analysis, this next-generation wearable provides powerful health data without the bulk of a smartwatch. Featuring up to 8 days of battery life and compatibility with both iOS and Android devices, the Oura Ring 4 is ideal for users seeking continuous, comfortable performance tracking.
Please note: Oura Ring 4 uses a non-standard fit. It is recommended to measure using the official Oura Ring 4 Size Kit before purchasing.
Key Features
- Advanced sleep tracking with detailed sleep stage analysis
- Continuous heart rate monitoring
- Activity and fitness tracking
- Up to 8 days battery life
- Premium Ceramic Midnight finish
- Lightweight, durable titanium interior
- iOS & Android compatible
- Smart readiness and recovery insights
- Water resistant design
- Wireless charging dock included
- Non-standard sizing – Size Kit recommended
Benefits
The Oura Ring 4 delivers powerful health tracking in a minimalist, comfortable design that can be worn day and night. Its advanced sensors provide detailed insights into sleep quality, heart rate trends, activity levels and overall readiness, helping you make informed lifestyle decisions.
Unlike bulky wrist-based wearables, the ring form factor ensures accurate biometric readings while remaining discreet and stylish. The Ceramic Midnight finish offers a refined, modern aesthetic suitable for everyday wear.
With up to 8 days of battery life, you can track continuously without frequent charging interruptions. Seamless compatibility with both iOS and Android ensures easy syncing with your smartphone, while the companion app provides in-depth analytics to support your wellness goals.
Specifications
| Specification | Details |
|---|---|
| Brand | Oura |
| Model | Oura Ring 4 |
| Colour | Ceramic Midnight |
| Size | 8 (Non-Standard Fit) |
| Form Factor | Smart Ring |
| Battery Life | Up to 8 Days |
| Connectivity | Bluetooth |
| Compatibility | iOS & Android |
| Health Tracking | Sleep, Heart Rate, Activity |
| Water Resistance | Yes |
| Charging | Wireless Charging Dock |
| Material | Titanium Interior with Ceramic Finish |
Oura Ring 4 Midnight Size 8, smart ring sleep tracker UK, Oura Ring Ceramic Midnight, heart rate tracking ring, fitness tracking smart ring UK, 8 day battery wearable, Oura Ring iOS Android compatible, sleep and recovery tracker, discreet health wearable UK
Ideal for health-conscious individuals, athletes, professionals and biohackers seeking advanced sleep and recovery insights in a discreet wearable. Perfect for continuous day and night tracking, fitness monitoring and long-term wellness management. Suitable for users who prefer a lightweight alternative to traditional smartwatches while maintaining premium performance and style.
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FREE Next Day Delivery on orders of £49.99 or more.
Order by 4:00 p.m. for delivery the next day. Orders dispatched on Friday arrive on Saturday.
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FREE Standard Delivery on orders of £19.99 or more.
Delivery within 1–2 working days. Orders under £19.99 are £1.99, also delivered within 1–2 working days.
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Express / Saturday Delivery – £4.99.
Order before 4:00 p.m. on Friday and select Express Delivery for Saturday delivery.
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Weekend orders.
Orders placed after 4:00 p.m. on Friday, or on Saturday or Sunday, are dispatched on Monday. Working days are Monday–Friday, excluding public holidays.
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Delivery areas.
Next Day Delivery is available to mainland UK, excluding AB, IV, KW, PA, PH, HS, KA, ZE, PO30–PO41, IM, JE, GY, BT and TR21–TR25. Delivery to these areas may take 3–5 working days.
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What each condition means.
- New
- Brand-new, unused, unopened and never activated, in its original packaging.
- Like New
- Looks fresh out of the box with no signs of wear. May have been opened or used very minimally; all original accessories included.
- Excellent
- Very light signs of use that are hard to spot. 100% operational, with all essential accessories.
- Very Good
- Minimal wear from general use and 100% operational. May have minor cosmetic marks or be missing non-essential accessories.
- Good
- Fully operational with noticeable wear, such as scratches or dents. May be missing non-essential accessories.
- Fair
- Fairly worn, with scratches, dents or worn corners, but works perfectly. May be missing non-essential accessories.
Used items (Like New, Excellent, Very Good, Good and Fair) may not come in their original box.
| SKU: |
Ecat -2 |
|---|---|
| EAN/UPC: |
Pay every 2 weeks in 4 interest-free payments.
Clearpay credit subject to status. Use responsibly as late fees up to £24 per order apply, which may impact your future access to credit. T&Cs apply.
Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Late fees may apply.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
Pay every 2 weeks in 4 interest-free payments.
Clearpay credit subject to status. Use responsibly as late fees up to £24 per order apply, which may impact your future access to credit. T&Cs apply.
Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Late fees may apply.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
What's in the box
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Your item
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Essential accessories
All required accessories included.
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12 months warranty
Peace of mind
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Secure packaging
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