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Item #:
176516893
Oura Ring 4 - Ceramic Cloud - Size 4 - Sleep, Activity, Womens Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS
89% of respondents would recommend this to a friend
Item #:
176516893
BDT 77951
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
Out of stock
Imported from USA store
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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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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Ceramic Material
Crafted from durable ceramic, the Oura Ring 4 offers a sleek, lightweight design that is both scratch-resistant and comfortable for everyday wear.
Health Tracking
Advanced sensors monitor sleep, heart rate, and wellness metrics, empowering users with insights to improve their health and fitness routines seamlessly.
Stylish Design
The Petal color adds a trendy, modern touch to the ring, making it a fashionable accessory that enhances any outfit while providing premium functionality.
Product Details
- ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, 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
- ACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing
- 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
- OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Membership is tied to your account via the Oura App, not your physical ring
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping
| Operating System | Proprietary OS |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Ceramic |
| Water Resistance Level | Water Resistant |
| Human Interface Input | Buttons |
| Supported Application | Oura App |
| Water Resistance Depth | 100 Meters |
| Supported Satellite Navigation System | GPS |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Closure Type | Slip On |
| Shape | Round |
| Style Name | Ceramic |
| Color | Cloud |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Brand | OURA |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | JZ90-57460-04 |
| Built-In Media | Charging Cable, Information Booklet, Oura Ring 4 Ceramic, Oura Ring 4 Charger, Quick Start Guide |
| Wearable Computer Type | Smart Ring |
| Manufacturer | Oura |
| Unit Count | 1.0 Count |
| Battery Cell Type | Lithium Polymer |
| Battery Average Life | 5 days |
| Battery Charge Time | 80 minutes |
| Display Type | No Display |
| Special Feature | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Polymer |
| GPS | GPS Via Smartphone |
| Style | Ceramic |
| Item Weight | 0.1 lbs (50 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
What's in the box
Oura Ring 4 Ceramic
Oura Ring 4 Charger
Charging Cable
Information Booklet
Quick Start Guide
Who Should Buy?
-
Health Enthusiasts
Ideal for users seeking accurate health tracking to improve fitness and monitor wellness metrics daily.
-
Tech Savvy Users
Great for individuals who enjoy integrating technology into their daily routine for smarter health management.
-
Sleep Trackers
Perfect for those prioritizing sleep analysis, as it offers detailed insights to enhance sleep quality overnight.
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Budget-Conscious Buyers
Not suitable for users looking for a budget-friendly fitness tracker, as it is relatively expensive compared to alternatives.
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Minimalists
May not appeal to users who prefer simplistic designs without technology integration or data tracking features.
-
Fashion-Forward Users
Less appealing for fashion-conscious individuals seeking jewelry, as it emphasizes utility over aesthetic design.
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 Rings JZ90-57460-04 Editorial Review
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Customer Reviews & Ratings
547 customers ratings
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8%
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 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.
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BDT 77951
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Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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.