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- Oura Ring 4 - Brushed Silver - Size 13 - Slee...
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Item #:
210889228
Oura Ring 4 - Brushed Silver - Size 13 - 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 #:
210889228
XCD 1168
Price Details
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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 | i_os, android |
| Additional Features | Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Band Material Type | Stainless Steel |
| Case Material Type | Titanium |
| Water Resistance Level | Water Resistant |
| Human Interface Input | Buttons |
| Supported Application | Fitness Tracker, Sleep Monitor, Heart Rate Monitor, Multisport Tracker, Calendar, Reminders, Weather, Messages, Phone, Camera, Music Player, Voice Assistant, Elevation Tracker, Pedometer, Blood Pressure Monitor, Alarm, Voice Control, GPS, Email, Social Media, Find My Phone, Video Record, Voice Record, Time Display, Heart Rate Monitor, Blood Pressure Monitor, Pedometer, Multisport Tracker, Camera, Reminders, Weather, Contacts, Photo Gallery, Calendar, Find My Phone, Music Player |
| Water Resistance Depth | 100 meters |
| Supported Satellite Navigation System | GPS |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Closure Type | No Closure |
| Shape | Round |
| Style Name | Metallic |
| Color | Brushed Silver |
| Band Color | brushed silver |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | Bluetooth |
| Item Weight | 3.3 g |
| Item Dimensions | 1.06 x 1.06 x 0.31 inches (2.7 x 2.7 x 0.8 cm) |
| Item Dimensions D x W x H | 1.06"D x 1.06"W x 0.31"H (2.7 x 2.7 x 0.8 cm) |
| Brand | OURA |
| Model Name | Oura Ring 4 - Brushed Silver - Size 13 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | OA12 |
| 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 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 |
| Model Name | Oura Ring 4 - Brushed Silver - Size 13 - Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life See more |
| Style | Metallic |
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 - Brushed Silver - Size 13 - Sleep, Activity, Womens Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible
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Customer Questions & Answers
-
Question:
What features does the Oura Ring 4 provide for health monitoring?
Answer: The Oura Ring 4 offers advanced health monitoring features such as sleep tracking, heart rate monitoring, and daily activity assessments. This smart ring utilizes personalized algorithms to analyze your sleeping patterns, including deep sleep and REM cycles, helping you optimize rest. With heart rate sensors, it tracks your heart rate throughout the day and night. These features are ideal for those looking to enhance their overall wellness by understanding their body’s needs better. -
Question:
How does the sleep tracking function work in Oura Ring 4?
Answer: The sleep tracking function in Oura Ring 4 analyzes your sleep stages such as light, deep, and REM sleep using a combination of motion and heart rate data. By collecting these metrics, the ring provides insights into the quality of your sleep and gives personalized recommendations to improve sleep hygiene. This feature is beneficial for users striving to enhance their sleep patterns and overall health by adopting more restorative sleep habits. -
Question:
What type of activities can the Oura Ring 4 track?
Answer: The Oura Ring 4 can track a variety of activities including walking, running, and cycling, utilizing an array of sensors to monitor your movements and calories burned. It helps users meet their fitness goals by providing feedback on daily activity levels and recovery status, making it suitable for both casual users and fitness enthusiasts. Such actionable data encourages a balanced approach to fitness and helps prevent burnout. -
Question:
Is the Oura Ring 4 compatible with other fitness apps?
Answer: Yes, the Oura Ring 4 can seamlessly integrate with various fitness apps and health platforms via Bluetooth. This integration allows you to sync your data with popular services like Apple Health, Google Fit, and MyFitnessPal. By using these integrations, users can have a comprehensive view of their health and progress, making it easier to track their fitness journeys holistically. -
Question:
How can I determine my ring size for the Oura Ring 4?
Answer: To determine your ring size for the Oura Ring 4, you can use the included Oura Ring 4 Sizing Kit, which allows you to find your correct size comfortably at home. Just follow the instructions provided to ensure a perfect fit. A well-fitted ring is essential for accurate sensor readings, particularly for heart rate and sleep tracking. This size kit ensures you can order confidently, enhancing your experience. -
Question:
What materials are used in the Oura Ring 4?
Answer: The Oura Ring 4 is crafted from durable titanium with an internal ceramic coating. This combination ensures that the ring is not only lightweight and stylish but also robust enough to withstand daily use. The hypoallergenic materials make it suitable for sensitive skin, allowing users to wear it comfortably throughout the day and night, regardless of lifestyle. -
Question:
Can I wear the Oura Ring 4 while swimming or showering?
Answer: Yes, the Oura Ring 4 is designed to be water-resistant, allowing you to wear it while swimming or showering. It is rated for water resistance up to 100 meters, making it a practical choice for active users who enjoy water-related activities. This feature enables continuous tracking without the need to remove the ring, ensuring you don’t miss vital data while enjoying your favorite sports. -
Question:
What battery life can I expect from the Oura Ring 4?
Answer: The Oura Ring 4 offers impressive battery life, typically lasting up to seven days on a single charge. This endurance allows for continuous usage without frequent recharging, making it convenient for tracking long-term wellness metrics. Users find it particularly beneficial when adhering to exercise and sleep schedules without worrying about their device running out of power. -
Question:
What insights does the Oura Ring 4 provide regarding recovery?
Answer: The Oura Ring 4 provides detailed recovery insights through a Recovery Score, which is calculated based on factors like sleep quality, heart rate variability, and previous activity levels. This scoring helps users understand their readiness for physical exertion, encouraging smarter training decisions and rest when needed. It’s perfect for athletes or anyone looking to optimize their performance and maintain a balanced lifestyle. -
Question:
Where can I buy Oura Ring 4 - Silver - Size 15?
Answer: You can purchase the Oura Ring 4 - Silver - Size 15 from Ubuy. Ubuy offers a convenient platform to explore various sizes and colors, including options that feature the Oura Ring 4 Sizing Kit. Their user-friendly interface and detailed product descriptions ensure that you make an informed choice for your fitness and wellness journey.
OURA Activity & Fitness Trackers OA12 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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Last Updated on August 2, 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.
XCD 1168
Order now and get it around Monday, August 24
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:
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Fastest cross-border delivery
Features & Benefits
- Tracks over 30 biometrics, including sleep, readiness, and heart health.
- Up to 8 days of battery life for hassle-free use.
- Comfortable, sleek all-titanium design suitable for 24/7 wear.
- Integrates with 40+ apps like Apple Health and Strava.
- FSA/HSA eligible for easy funding options.
- First month of Oura membership free with purchase.
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