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- OURA Ring 4 Smart Ring - Silver - Size 8
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Item #:
210889228
OURA Ring 4 Smart Ring - Silver - Size 8
89% of respondents would recommend this to a friend
Item #:
210889228
XCD 1185
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, September 30
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Track over 50 health metrics and get personalized insights into your sleep, activity, readiness, stress, heart health, metabolic health, women's health and more.
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What Stands Out
Advanced Health Tracking
The Oura Ring 4 offers comprehensive health metrics, including heart rate variability and sleep quality, enabling users to optimize their wellness and lifestyle effectively.
Sleek Design
Stylish and discreet, the black Oura Ring complements any outfit, allowing wearers to monitor their health without compromising on aesthetics.
Long Battery Life
With up to seven days of battery life, the Oura Ring 4 ensures continuous health monitoring without frequent recharging, enhancing user convenience and reliability.
Product Details
| Operating System | Android |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Titanium |
| Case Material Type | Titanium |
| Water Resistance Level | Water Resistant |
| Sport Type | Multi-Sports |
| Human Interface Input | Buttons |
| Supported Application | Over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more |
| Water Resistance Depth | 100 meters |
| Supported Satellite Navigation System | GPS |
| Controller Type | remote control via smartphone |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Shape | Round |
| Style Name | Metallic |
| Color | Silver |
| Band Color | Silver |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | App Integration, Bluetooth |
| Item Weight | 5.2 g |
| Item Dimensions | 0.98 x 0.98 x 0.28 inches (2.5 x 2.5 x 0.7 cm) |
| Item Dimensions D x W x H | 0.98"D x 0.98"W x 0.28"H (2.5 x 2.5 x 0.7 cm) |
| Waterproof Rating | IP68 |
| Brand | OURA |
| Model Name | Oura Ring 4 - Silver - Talla 8 |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | JZ90-54217-08 |
| Built-In Media | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Wearable Computer Type | Smart Ring |
| Unit Count | 1 Count |
| Global Trade Identification Number | 06430060153400, 06430060155275 |
| Manufacturer | Oura |
| Battery Cell Type | Lithium Polymer |
| Battery Average Life | 5 days |
| Battery Charge Time | 80 minutes |
| Display Type | No Display |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Compatible with iOS and Android devices |
| Memory Storage Capacity | 5 MB |
| Special Feature | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Polymer |
| GPS | GPS Via Smartphone |
What's in the box
Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
Who Should Buy?
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Health Enthusiasts
Those committed to tracking fitness and sleep patterns will benefit from the ring’s comprehensive health monitoring capabilities.
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Sleep Trackers
Individuals wanting to improve sleep quality will find the ring’s sleep insights and analytics especially useful.
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Tech Savvy Users
Tech enthusiasts will appreciate the advanced technology and data offered by the Oura Ring for personal health management.
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Budget-Conscious Shoppers
Those looking for affordable fitness trackers may find the Oura Ring too expensive for their needs.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What features does the Oura Ring 4 offer?
Answer: The Oura Ring 4 is equipped with advanced features designed to monitor sleep, activity, and women's health. It combines an AI-powered advisor that provides personalized insights to help optimize your well-being. The ring tracks various metrics, including heart rate variability, body temperature, respiration rate, and sleep stages, making it an exceptional choice for health-conscious individuals. -
Question:
How long does the battery last in the Oura Ring 4?
Answer: The Oura Ring 4 provides impressive battery life, lasting up to 8 days on a single charge. This extended battery duration allows you to wear the ring consistently without the frequent need for recharging. The ring is designed for seamless integration into daily life, whether you’re tracking workouts or monitoring sleep quality. -
Question:
Is the Oura Ring 4 compatible with Android devices?
Answer: Yes, the Oura Ring 4 is fully compatible with Android devices. Users can easily sync data and access insights through the Oura app available on the Google Play Store. This compatibility ensures you can monitor your health metrics in real-time, making it suitable for those who are on the go and rely on Android technology. -
Question:
How does the Oura Ring 4 help with women's health?
Answer: The Oura Ring 4 specifically offers features aimed at enhancing women’s health, such as tracking menstrual cycles and hormonal fluctuations. By gathering important health metrics, the ring provides personalized insights that can help users understand their cycles better and tailor their wellness strategies accordingly. -
Question:
What is the significance of Oura Ring's size selection?
Answer: Choosing the correct size for the Oura Ring is crucial for accurate readings and comfort. A well-fitted ring ensures proper sensor contact with the skin, which enhances the precision of heart rate and other activity metrics. Before purchasing, it is essential to measure your finger to find the perfect fit, as an inaccurate size could lead to suboptimal performance. -
Question:
What materials are used in the Oura Ring 4?
Answer: The Oura Ring 4 is crafted from high-quality materials, including a ceramic exterior that offers durability and a stylish look. The ceramic design is not only aesthetically pleasing but also lightweight, making it comfortable for long wear. This choice of materials contributes to both the longevity and the wellness functionality of the device. -
Question:
Can the Oura Ring 4 track workouts?
Answer: Yes, the Oura Ring 4 effectively tracks workouts by monitoring heart rate, calorie expenditure, and activity levels. The comprehensive data it collects helps users assess their performance and recovery. This makes it a valuable tool for individuals looking to optimize their training regimes, regardless of their fitness level. -
Question:
Does the Oura Ring 4 require a subscription for features?
Answer: While the Oura Ring 4 provides a wealth of data without a subscription, some advanced features are accessible through a subscription service. Users can opt into this service for deeper insights and enhanced tracking capabilities. This flexibility allows individuals to choose their level of engagement based on their personal wellness goals. -
Question:
How can I interpret the data from my Oura Ring 4?
Answer: Interpreting data from the Oura Ring 4 is facilitated through its user-friendly app interface. The app provides insights into your sleep patterns, readiness scores, and activity levels, offering actionable tips to improve your health. Whether you're looking to enhance your sleep or increase your activity, the user interface is designed to be intuitive for anyone. -
Question:
Where can I buy Oura Ring 4 - Ceramic Cloud - Size 9?
Answer: You can purchase the Oura Ring 4 - Ceramic Cloud - Size 9 through Ubuy. Ubuy offers a reliable platform for purchasing this advanced health tracking device, allowing you to explore additional products and features readily. Whether you are in search of health insights or stylish accessories, Ubuy is your go-to online store.
OURA Activity & Fitness Trackers JZ90-54217-08 Editorial Review
OURA Ring 4 Smart Ring - Ceramic Petal - Size 8 is an advanced health tracking device designed to monitor various metrics like sleep, activity, and stress levels. Users appreciate its lightweight ceramic design not only for its beauty and comfort but also for its durability compared to metallic versions. One reviewer highlighted the impressive accuracy of the sleep tracking feature, providing insights on sleep stages and recovery patterns, while another pointed out the intuitive app experience. The ring seamlessly connects with both iOS and Android devices via Bluetooth, making it a versatile option for health-conscious individuals seeking a discreet alternative to smartwatches.
Customer Reviews & Ratings
9163 customers ratings
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5 Star
66%
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4 Star
8%
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3 Star
6%
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2 Star
5%
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1 Star
15%
Review this product
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Pros
- Lightweight and comfortable to wear all day
- Tracks sleep, activity, and stress levels accurately
- Simple and intuitive app interface
- Ceramic design resists scratches better than metal
- Stylish color options available
Cons
- Sizing may require careful consideration before purchase
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 1185
Order now and get it around Wednesday, September 30
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Modern Oura Ring 4 Ceramic combines elegance with durability.
- Available in sizes 4-15 and three stylish colors: Petal, Tide, and Cloud.
- Track over 50 health metrics for comprehensive insights.
- Features breakthrough Smart Sensing technology for accuracy.
- 5-8 days of battery life for continuous health monitoring.
- FSA/HSA eligible for convenient payment options.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.