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- OURA Ring 4 Smart Ring - Brushed Silver - Size 7
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Item #:
210889228
OURA Ring 4 Smart Ring - Brushed Silver - Size 7
90% of respondents would recommend this to a friend
Item #:
210889228
NGN 885204
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Tuesday, September 15
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Oura Ring 4 Ceramic blends refined elegance with everyday durability, tracking over 50 health metrics and providing personalized insights.
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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, iOS |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Stainless Steel |
| Case Material Type | Stainless Steel |
| Water Resistance Level | Water Resistant |
| Sport Type | Multi-Sports |
| Human Interface Input | Buttons |
| Supported Application | Calendar, Fitness Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor |
| Water Resistance Depth | 100 meters |
| Supported Satellite Navigation System | GPS |
| Controller Type | App-based |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Closure Type | Buckle |
| Shape | Round |
| Style Name | Metallic |
| Color | Brushed Silver |
| Band Color | Silver |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | Bluetooth |
| Item Dimensions | 1.1 x 1.1 x 0.31 inches (2.8 x 2.8 x 0.8 cm) |
| Item Dimensions D x W x H | 0.31"D x 1.1"W x 0.31"H (0.8 x 2.8 x 0.8 cm) |
| Brand | OURA |
| Model Name | JZ90-54220-07 |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | JZ90-54220-07 |
| 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 |
| Manufacturer | Oura |
| Battery Capacity | 18 |
| 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 |
| Waterproof Rating | IPX7 |
| Special Feature | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Polymer |
| GPS | GPS Via Smartphone |
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 Smart Ring - Brushed Silver - Size 7
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What features does the Oura Ring 4 Ceramic - Petal offer?
Answer: The Oura Ring 4 Ceramic - Petal is designed with advanced health tracking features including sleep tracking, heart rate monitoring, and activity tracking. Its sleek ceramic design not only enhances aesthetics but also provides durability. This ring can help users monitor their overall wellness through in-depth insights into their daily activities, sleep quality, and readiness to take on physical challenges. -
Question:
How does the Oura Ring 4 track sleep patterns?
Answer: The Oura Ring 4 employs sensors to monitor several aspects of your sleep, such as the duration of different sleep stages, including deep, REM, and light sleep. By analyzing your heart rate variability and body temperature, the ring helps identify trends in your sleep quality, providing insights for improving your nightly rest. This functionality is especially beneficial for those aiming to enhance their recovery after workouts. -
Question:
Is the Oura Ring 4 comfortable to wear all day?
Answer: Absolutely! The Oura Ring 4 Ceramic - Petal is crafted to be lightweight and ergonomically designed for all-day wear. Many users report that they hardly notice it on their finger due to its smooth finish and compact size. Whether you’re at work, exercising, or sleeping, this ring is made for continuous comfort, making it ideal for proactive health monitoring. -
Question:
Can I use the Oura Ring 4 with my smartphone?
Answer: Yes, the Oura Ring 4 is compatible with both iOS and Android devices via the Oura app. You can synchronize the ring with your smartphone to access a wealth of data regarding your health metrics. This allows users to track daily activity levels, sleep quality, and wellness insights on-the-go, creating an integrated health management experience. -
Question:
What are the color options available for the Oura Ring 4?
Answer: The Oura Ring 4 is available in several stylish colors, including the Ceramic - Petal, which features a subtle and elegant look. Each color is designed to suit various personal styles, allowing you to choose one that complements your aesthetic while maintaining functionality. This makes it a versatile accessory that can fit your lifestyle seamlessly. -
Question:
How does the Oura Ring 4 measure heart rate?
Answer: The Oura Ring 4 utilizes infrared sensors placed strategically inside the ring to continuously monitor your heart rate. By measuring blood flow through your fingertip, it provides data that reflects your heart rate during various activities, allowing you to see how your body responds to exercise and rest. This information is crucial for those wanting to optimize fitness routines. -
Question:
Can I swim or shower with the Oura Ring 4?
Answer: Yes, the Oura Ring 4 is designed to be water-resistant, allowing you to wear it while swimming, showering, or engaging in other water activities. However, to maintain its longevity, it’s advisable to avoid exposing it to harsh cleaning chemicals. This functionality caters to active users who want to ensure their health tracking remains consistent throughout daily life. -
Question:
What is the battery life of the Oura Ring 4?
Answer: The Oura Ring 4 boasts an impressive battery life, typically lasting up to a week on a single charge. This durability allows for continuous health monitoring without the hassle of frequent recharging. Users can focus on tracking their wellness without interruption, which enhances the overall experience of using the ring as a daily health companion. -
Question:
How do I ensure the correct size for the Oura Ring 4?
Answer: To find the perfect fit for the Oura Ring 4, it's essential to measure your finger accurately. The Oura website provides a sizing kit or a detailed guide on how to measure your finger circumference. Choosing the correct size ensures both comfort and effectiveness in health tracking, which can impact the accuracy of the data collected. -
Question:
Where can I buy the Oura Ring 4 Ceramic - Petal - Size 13?
Answer: You can purchase the Oura Ring 4 Ceramic - Petal - Size 13 from Ubuy in Nigeria. Ubuy offers a convenient online shopping experience, providing detailed product information and customer service support to assist you in making an informed decision before your purchase.
OURA Rings JZ90-54220-07 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
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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
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Top selling Oura Ring in Nigeria
Last Updated on August 31, 2026
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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.
NGN 885204
Order now and get it around Tuesday, September 15
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
- Elegant design with durable ceramic exterior.
- Tracks over 50 health metrics for personalized insights.
- Smart Sensing technology for accurate, continuous data.
- Long battery life of 5-8 days—wear it all day, every day.
- Available in sizes 4-15 and three unique colors: Petal, Tide, and Cloud.
- FSA/HSA eligible with additional membership benefits.
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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.