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- OURA Ring 4 Smart Ring - Black - Size 10
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Item #:
210889228
OURA Ring 4 Smart Ring - Black - Size 10
88% of respondents would recommend this to a friend
Item #:
210889228
USD 431
Price Details
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*All items will import from US
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Order now and get it around Friday, September 18
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Oura Ring 4 brings you closer to what matters most — your health.
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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 | i_os, android |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Metal |
| Water Resistance Level | Water Resistant |
| Sport Type | Multi-Sports |
| Human Interface Input | Buttons |
| Supported Application | Fitness Tracker, Sleep Monitor, Heart Rate Monitor, Multisport Tracker, Health, Wellness |
| Water Resistance Depth | 100 meters |
| Supported Satellite Navigation System | GPS |
| Controller Type | Gesture Recognition / Biometric Sensors |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Closure Type | Ring |
| Shape | Round |
| Style Name | Metallic |
| Color | Black |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |
| Communication Feature | Bluetooth |
| Item Weight | 0.11 kg |
| Item Dimensions | 1.06 x 1.06 x 0.28 inches (2.7 x 2.7 x 0.7 cm) |
| Brand | OURA |
| Model Name | Anillo 4 |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | JZ90-54144-10 |
| 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 | 06430060153189 |
| 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 |
| Special Feature | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| Wireless Communication Standard | Bluetooth |
| Battery Cell Composition | Lithium Polymer |
| GPS | GPS Via Smartphone |
| Style | Metallic |
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 - Black - Size 10
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Customer Questions & Answers
-
Question:
What features does the Oura Ring 4 offer for sleep tracking?
Answer: The Oura Ring 4 is designed to help you optimize your sleep with advanced tracking features. It monitors various metrics including sleep stages, total sleep time, and restfulness, using heart rate and body temperature variations. By providing insights based on your sleep patterns, it assists you in improving your sleep quality. For individuals wanting better rest, these features are invaluable in making adjustments to your bedtime routine. -
Question:
How does the Oura Ring 4 track heart rate?
Answer: The Oura Ring 4 utilizes infrared photoplethysmography (PPG) technology to measure heart rate continuously. This allows it to assess real-time heart rate changes and recovery status throughout the day and during workouts. If you're focused on fitness, this feature provides vital data to help you gauge your endurance levels and optimize your exercise routines for maximum effectiveness. -
Question:
Can I wear the Oura Ring 4 while exercising?
Answer: Absolutely! The Oura Ring 4 is built to withstand rigorous activity, making it suitable for sports and workouts. Its secure fit and durable design mean you can track heart rate, calorie burn, and recovery even during your most intense sessions. If you’re a fitness enthusiast, this ring seamlessly integrates into your active lifestyle while providing essential data to enhance your performance. -
Question:
What is the battery life of the Oura Ring 4?
Answer: The Oura Ring 4 boasts an impressive battery life of up to 8 days on a single charge. This longevity ensures that you can wear it continuously without frequent interruptions for charging. For those who prefer uninterrupted tracking of their health metrics over the week, this feature is particularly beneficial, allowing for consistent monitoring of both activity and sleep. -
Question:
How do I determine my ring size for the Oura Ring 4?
Answer: Determining your size for the Oura Ring 4 is essential for accurate tracking and comfort. The Oura Ring 4 includes a sizing kit to assist you in finding the perfect fit. Simply follow the instructions provided in the kit to measure your finger. A well-fitted ring not only enhances comfort but also ensures optimal sensor performance for accurate health insights. -
Question:
Does the Oura Ring 4 connect to smartphones?
Answer: Yes, the Oura Ring 4 pairs seamlessly with both iOS and Android smartphones. Using the companion app, you can view detailed insights about your sleep, readiness, and activity levels. This connectivity allows users to track progress over time and make informed decisions based on their health data, making it an ideal tool for health-conscious individuals. -
Question:
What materials are used in the construction of the Oura Ring 4?
Answer: The Oura Ring 4 is crafted from high-quality titanium, which offers durability and a lightweight feel. The ceramic outer layer enhances its aesthetic appeal while also ensuring scratch resistance. If you prioritize both style and functionality, this combination of materials provides a robust yet elegant design that fits well in both casual and formal settings. -
Question:
How does the Oura Ring 4 help with fitness tracking?
Answer: The Oura Ring 4 provides comprehensive fitness tracking by monitoring your daily activity levels, step counts, and calorie burns. It also offers personalized insights to encourage you to meet your fitness goals. Whether you're an athlete aiming to enhance workout performance or someone looking to increase general activity, the ring serves as a valuable tool to keep you motivated and informed. -
Question:
Can I customize notifications on my Oura Ring 4?
Answer: Yes, the Oura Ring 4 allows users to customize notifications through the accompanying app. You can receive reminders about daily goals, health achievements, or even prompts to move when you’ve been inactive for a while. This feature is particularly useful for maintaining a balanced routine and ensuring you stay on track with your health and wellness objectives. -
Question:
Where can I buy Oura Ring 4 - Black - Size 13 - Smart Ring - Size First with Oura Ring 4 Sizing Kit?
Answer: You can purchase the Oura Ring 4 - Black - Size 13 along with the Oura Ring 4 Sizing Kit directly from Ubuy in Turks and Caicos. Ubuy offers a convenient platform for acquiring this advanced wearable technology, ensuring you can begin tracking your health metrics efficiently.
OURA Activity & Fitness Trackers JZ90-54144-10 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 Turks and Caicos
Last Updated on August 30, 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.
USD 431
Order now and get it around Friday, September 18
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
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Features & Benefits
- Oura Ring 4 monitors over 30 biometrics for comprehensive health insights.
- Enhanced design with durable all-titanium material, water-resistant and comfortable.
- Smart Sensing technology ensures accurate, continuous data day and night.
- Impressive battery life of up to 8 days for hassle-free usage.
- FSA/HSA eligible for easy payment options and credits.
- First month of Oura Membership is free, perfect for new users.
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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.