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Item #:
210889228
Oura Ring 4 - Ceramic Petal - Size 4 - Sleep, Activity, Womens Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS
Item #:
210889228
STD 12294500
Price Details
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*All items will import from US
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Imported from USA store
Order now and get it around Friday, August 14
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Oura Ring 4 quietly and comfortably monitors your health and with up to 8 days of battery life — you can forget it’s even on.
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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 | Ceramic |
| Water Resistance Level | Water Resistant |
| Sport Type | Multi-Sports |
| Human Interface Input | Buttons |
| Supported Application | Health and Wellness Tracking |
| Water Resistance Depth | 100 meters |
| Supported Satellite Navigation System | GPS |
| Controller Type | Proprietary |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Closure Type | No Closure |
| Shape | Round |
| Style Name | Ceramic |
| Color | Petal |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | Bluetooth |
| Brand | OURA |
| Model Name | Oura Ring 4 Ceramic Petal - Size 4 |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | JZ90-57459-04 |
| Built-In Media | Charging Cable, Information Booklet, Oura Ring 4 Ceramic, Oura Ring 4 Charger, Quick Start Guide |
| Wearable Computer Type | Smart Ring |
| Unit Count | 1 Count |
| 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 | Android Devices, iOS Devices |
| 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.
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
Oura Ring 4 - Ceramic Petal - Size 4 - Sleep, Activity, Womens Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What features does the Oura Ring 4 offer?
Answer: The Oura Ring 4 comes packed with advanced features that include sleep tracking, heart rate monitoring, and activity tracking. It collects detailed insights about your sleep stages, overall readiness, and daily activity levels, providing a comprehensive view of your health. For instance, the ring uses infrared sensors to measure your heart rate continuously throughout the day. This makes it an excellent companion for anyone looking to improve their sleep quality or maintain fitness goals. -
Question:
How does the Oura Ring 4 track my sleep?
Answer: The Oura Ring 4 utilizes a combination of infrared light sensors and accelerometers to monitor your sleep patterns. It tracks your sleep stages—light, deep, and REM—letting you understand the quality of your rest. This information helps you see correlations between your daily activities and sleep patterns, enabling you to make informed lifestyle changes. Whether you’re an athlete looking to optimize recovery or someone focused on improving sleep hygiene, this feature can make a substantial difference. -
Question:
Is the Oura Ring 4 waterproof?
Answer: Yes, the Oura Ring 4 is designed to be water-resistant, allowing you to wear it during showering, swimming, and other water-based activities. It's tested to withstand the rigors of daily life, including exposure to moisture. With this feature, you can confidently wear the ring without worrying about taking it off during workouts or activities where it may get wet, ensuring that you receive continuous data tracking. -
Question:
What is included in the Oura Ring 4 sizing kit?
Answer: The Oura Ring 4 sizing kit includes a selection of plastic rings that allow you to find your perfect fit before ordering your smart ring. This is particularly important as a properly fitting ring ensures accurate tracking of your metrics such as heart rate and sleep. It can save you time and ensure comfort when wearing the ring daily, especially for those who are unsure about their ring size. -
Question:
Can I track my fitness activities with the Oura Ring 4?
Answer: Absolutely! The Oura Ring 4 tracks various fitness metrics including steps taken, calories burned, and active time throughout your day. The ring's activity tracking feature encourages you to meet your personal fitness goals, whether you’re at the gym or enjoying leisure activities. Thus, you can use the insights gained to adjust your routine or increase your daily activity for better health outcomes. -
Question:
How long does the battery last on the Oura Ring 4?
Answer: The Oura Ring 4 features an impressive battery life that typically lasts up to a week on a single charge. This longevity allows for uninterrupted tracking of your metrics without the need for frequent recharging. This is particularly beneficial for users who want consistent data gathering over several days, especially in terms of sleep and activity metrics. -
Question:
Is the Oura Ring 4 customizable?
Answer: Yes, the Oura Ring 4 offers customization options through its app. Users can tailor their health goals, notifications, and display preferences based on individual needs. This customization enhances user experience by aligning the ring's capabilities with personal health priorities, whether focusing on sleep health or fitness tracking. -
Question:
How does the Oura Ring 4 measure heart rate?
Answer: The Oura Ring 4 measures heart rate using infrared technology combined with advanced algorithms. This allows the ring to continuously monitor heart rate both during the day and at night, providing insights on your resting and active heart rates. For active individuals, these metrics can be crucial in gauging exercise intensity and tracking recovery, helping to optimize workout effectiveness. -
Question:
What colors are available for the Oura Ring 4?
Answer: The Oura Ring 4 is available in several stylish finishes, including Rose Gold, which adds a touch of elegance to the wearable tech aesthetic. Each color option is designed to enhance personal style, making it suitable for various occasions. Whether you are at work or out for a night, you can wear the Oura Ring confidently as both a health monitor and a fashionable accessory. -
Question:
Where can I buy the Oura Ring 4?
Answer: You can purchase the Oura Ring 4 - Rose Gold - Size 13 - Smart Ring with the Oura Ring 4 Sizing Kit at Ubuy. Ubuy is a reliable online shopping platform offering a variety of products, including the latest in wearable technology. By shopping there, you can conveniently find the desired size and color options tailored to your preferences.
OURA Rings JZ90-57459-04 Editorial Review
The Oura Ring 4, specifically in its ceramic variant, has garnered overwhelmingly positive feedback from customers who appreciate its blend of style, comfort, and functionality. Users have expressed surprise at how quickly they became attached to the device, finding it both informative and unobtrusive in their daily lives. The ring is praised for its lightweight and elegant design, with many noting that they often forget they are wearing it, even during sleep. The ceramic finish is highlighted as both beautiful and durable, surpassing initial reservations about potential scratching issues. This design is accompanied by a user-friendly app that delivers health insights in a clear, actionable manner, making fitness tracking feel less like a chore and more like a personalized wellness journey. Customers have particularly found value in the sleep tracking feature, which offers detailed insights into sleep stages and overall restfulness, and this has motivated better sleep habits. The readiness and activity scores are also commended for helping users stay mindful of their physical well-being throughout their days. Overall, the Oura Ring 4 has proven to be a fantastic alternative to traditional wearables, especially for those seeking a stylish way to monitor their health without the bulk of a smartwatch. It’s a wearable that combines beauty with practicality, surprising many with its capabilities and the positive impact on health awareness. ###
Customer Reviews & Ratings
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Pros
- Stylish and elegant ceramic design
- Lightweight and comfortable for 24/7 wear
- Easy-to-use intuitive app with clear insights
- Excellent sleep tracking with detailed metrics
- Impressive battery life lasting several days
- Discreet and less intrusive than a smartwatch
- Great for improving health awareness ###
Cons
- Some initial uncertainty about the purchase value
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 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.
STD 12294500
Order now and get it around Friday, August 14
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.)
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Features & Benefits
- Updated all-titanium design for durability and comfort.
- Tracks over 30 biometrics including sleep, activity, heart health, and stress.
- Smart Sensing adapts to you for personalized health insights.
- Long-lasting battery life of up to 8 days for seamless wear.
- Compatible with iOS and Android, integrates with over 40 apps.
- FSA/HSA eligible for health fund payments.
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