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107644187
Oura Ring 4 - Brushed Silver - Size 6 - Sleep, Activity, Womens Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS
Item #:
107644187
XCD 1098
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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 Sleep Tracking
Oura Ring 4 offers precise sleep analytics, helping users improve their sleep quality and understanding their nightly recovery, setting it apart from standard fitness trackers.
Long Battery Life
With up to 8 days of battery life, Oura Ring 4 minimizes the need for frequent charging, ensuring consistently reliable health monitoring throughout the week.
Custom Sizing Kit
The included sizing kit ensures a perfect fit for maximum comfort and accuracy, making Oura Ring 4 user-friendly for a diverse range of users who prioritize wearable health technology.
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 | Titanium |
| Case Material Type | Titanium |
| Water Resistance Level | Water Resistant |
| Human Interface Input | Buttons |
| Supported Application | Fitness Tracker |
| Water Resistance Depth | 100 Meters |
| Supported Satellite Navigation System | GPS |
| Controller Type | Ring |
| Metrics Measured | Body Temperature, Menstrual Cycle, Sleep Duration, Stress |
| Closure Type | Tang Buckle |
| Shape | Round |
| Style Name | Metallic |
| Color | M - Brushed Silver |
| Band Color | Brushed Silver |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Communication Feature | Bluetooth |
| Item Dimensions | 1.06 x 1.06 x 0.31 inches (2.7 x 2.7 x 0.8 cm) |
| Brand | OURA |
| Model Name | JZ90 |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | JZ90-54220-06 |
| Built-In Media | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide |
| Wearable Computer Type | Smart Ring |
| Manufacturer | Oura |
| Battery Capacity | 192 |
| Battery Cell Type | Lithium Polymer |
| Battery Average Life | 5 days |
| Battery Charge Time | 80 minutes |
| Screen Size | 1.43 |
| 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 |
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
Individuals focused on monitoring sleep patterns, heart rate, and overall fitness for better health management.
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Tech Savvy Users
People who enjoy innovative wearable technology and appreciate data insight for lifestyle adjustments.
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Sleep Deprived Individuals
Those struggling with sleep quality can benefit from detailed tracking and insights to improve their sleep hygiene.
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Budget Conscious
Individuals sensitive to price may find the Oura Ring's cost prohibitive compared to other simpler fitness trackers.
Product Description
Oura Ring 4 - Brushed Silver - Size 6 - 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 are the key features of the Oura Ring 4?
Answer: The Oura Ring 4 boasts advanced features including sleep tracking, heart rate monitoring, and a sophisticated fitness tracker. Its ability to analyze sleep stages provides insights into your rest cycles, while continuous heart rate monitoring helps assess your overall health. The smart ring’s compact design makes it a perfect accessory for everyday wear, regardless of your activity levels, from workouts to relaxation. -
Question:
How does the Oura Ring 4 track sleep?
Answer: The Oura Ring 4 employs multiple sensors to track your sleep patterns by measuring metrics such as heart rate variability, body temperature, and movement. It categorizes your sleep into stages such as deep sleep, light sleep, and REM, providing detailed insights. This data assists you in understanding your sleep quality better and can guide lifestyle adjustments to enhance rest. -
Question:
Can the Oura Ring 4 be used for fitness tracking?
Answer: Yes, the Oura Ring 4 is an excellent tool for fitness tracking. It monitors your daily activities, tracks your calorie burn, and keeps an eye on your heart rate during workouts. This functionality helps you set and meet fitness goals, making it ideal for anyone seeking to improve their physical health, from casual exercisers to serious athletes. -
Question:
Is the Oura Ring 4 water-resistant?
Answer: Absolutely, the Oura Ring 4 is designed to be water-resistant, allowing you to wear it during various activities, including swimming and showers. This feature ensures you can wear your ring all day without worrying about water exposure. Whether you’re sweating it out at the gym or enjoying a dip in the pool, the ring remains a reliable companion. -
Question:
How do I find the right size for the Oura Ring 4?
Answer: Finding the right size for your Oura Ring 4 is simple with the Oura Ring Sizing Kit. This kit includes several plastic ring sizers, allowing you to accurately measure your finger size at home. A proper fit is essential for optimal performance of the sensors and for comfort during wear, ensuring that you can track your health metrics effectively. -
Question:
What materials are used in the Oura Ring 4?
Answer: The Oura Ring 4 is constructed from high-quality titanium, known for its durability and lightweight properties. The brushed silver finish not only looks stylish but also enhances scratch resistance. This robust design ensures that the ring can withstand daily wear while maintaining its elegance, making it suitable for all occasions. -
Question:
How does the Oura Ring 4 assist in heart rate monitoring?
Answer: The Oura Ring 4 features advanced heart rate sensors that continually monitor your heart rate throughout the day and during sleep. This feature allows for comprehensive insights into your cardiovascular health and can alert you to patterns that may require attention. Such data is invaluable for optimizing your fitness routines and understanding your body's responses to different activities. -
Question:
Can I sync the Oura Ring 4 with my smartphone?
Answer: Yes, the Oura Ring 4 can effortlessly sync with your smartphone via the Oura app, available on both iOS and Android devices. The app provides a user-friendly interface for viewing your data analysis, setting goals, and tracking your overall health trends. This connection ensures you can access and understand your metrics anytime, fostering a more engaged relationship with your health. -
Question:
What insights does the Oura Ring 4 provide about recovery?
Answer: The Oura Ring 4 provides in-depth insights into recovery by analyzing your sleep quality, heart rate variability, and activity levels. It can help you identify if you’re overtraining or if you're adequately recovering after workouts. Utilizing this data can play a pivotal role in optimizing your performance and preventing injuries by allowing you to fine-tune your training schedule. -
Question:
Where can I buy the Oura Ring 4 - Brushed Silver - Size 6?
Answer: You can conveniently purchase the Oura Ring 4 - Brushed Silver - Size 6 from Ubuy in Montserrat. Ubuy offers a wide selection of Oura products, ensuring you can easily find and order your desired ring size along with any additional accessories you may need. With a reliable platform for your shopping needs, Ubuy provides a smooth purchasing experience.
OURA Rings JZ90-54220-06 Editorial Review
** Oura Ring 4** The Oura Ring 4 has emerged as a standout health and fitness tracker, well-received for its blend of sleek design, advanced tracking features, and user-friendly experience. Customers have detailed their positive experiences with the ring, particularly highlighting its lightweight feel and stylish appearance that allows it to double as a regular piece of jewelry rather than a bulky fitness device. Comfort is a significant topic among users; many reported quickly acclimating to the ring, often forgetting they were even wearing it during their daily routines, including while sleeping. The water-resistant feature adds to its practicality, allowing wearers to keep it on during routine daily activities without worry. Functionally, the Oura Ring excels in sleep and activity tracking, offering deep insights into sleep quality, including the breakdown of different sleep stages such as REM, light, and deep sleep. Users have appreciated how these insights have empowered them to make informed adjustments to their sleep habits, leading to improved rest. Furthermore, the activity tracking component adapts to individual energy levels, providing personalized recommendations that motivate users without overexertion. Battery life garners praise too, with many noting that it lasts about eight days per charge, significantly outpacing other smart devices like smartwatches. The companion app has also received accolades for its intuitive interface, making it easy to interpret the wealth of data and actionable insights provided. However, some feedback points to potential drawbacks, such as the initial challenge some users faced in finding the right size, with the recommendation to utilize the sizing kit. A few reviewers remarked on the price point being on the higher side, though they often concluded that the substantial data and convenience offered justified the investment. Overall, the Oura Ring 4 has been embraced as a powerful tool for health tracking that combines style, comfort, and functionality, catering to users looking for a device that seamlessly integrates into their lifestyle while enhancing their understanding of personal health metrics. **
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Pros
- Sleek, lightweight design that resembles regular jewelry
- Exceptional sleep and activity tracking with insightful data
- Quick acclimatization to wearing the ring, often forgotten by users
- Impressive battery life lasting about eight days
- User-friendly companion app with easy-to-read metrics
Cons
- Price may be Considered high by some users
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
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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.
XCD 1098
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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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Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Latest evolution in smart ring technology.
- Monitors over 30 biometrics for comprehensive health insights.
- Sleek all-titanium design for comfort and style.
- Smart Sensing platform adapts to your unique needs.
- Long-lasting battery life of up to 8 days.
- FSA/HSA eligible for easy health spending.
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