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Artigo n.º:
210889228
Oura Ring 4 - Ceramic Cloud - Size 7 - Sleep, Activity, Womens Health, AI Advisor, Up to 8 Days of Battery Life, Before You Buy, Android & iOS
Artigo n.º:
210889228
STD 12294500
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from EUA
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Importado da loja USA
Encomende já e receba por volta de Quinta-feira, Agosto 20
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Os nossos principais Parceiros Logísticos
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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Shipping
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gratuita*
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Produtos 100% Originais
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Certificação ISO 27001
Note: Step Down Voltage Transformer required for using electronics products of EUA store (110-120). Recommended power converters Compre Agora.
O que se Destaca
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.
Detalhes do produto
| Operating System | Android, iOS |
| 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 |
| Human Interface Input | Buttons |
| Supported Application | Fitness Tracker, Sleep Monitor, Voice Control, Time Display, Messages, Social Media, Heart Rate Monitor, Pedometer, Reminders, Weather, Calendar, Music Player |
| Water Resistance Depth | 100 Meters |
| Supported Satellite Navigation System | GPS |
| Metrics Measured | Body Temperature, Heart Rate, Menstrual Cycle, Sleep Duration |
| Shape | Round |
| Style Name | Ceramic |
| Color | Cloud |
| Connectivity Technology | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |
| Cellular Technology | Not Supported |
| Communication Feature | Bluetooth, GPS |
| Item Weight | 0.19 Kilograms |
| Memory Storage Capacity | 16 MB |
| RAM Memory Installed | 16 MB |
| Brand | OURA |
| Target Audience | Unisex Adults |
| Age Range Description | Adult |
| Model Number | JZ90-57460-07 |
| Built-In Media | Charging Cable, Information Booklet, Oura Ring 4 Ceramic, Oura Ring 4 Charger, Quick Start Guide |
| Wearable Computer Type | Smart Ring |
| Manufacturer | Oura |
| Battery Capacity | 14.5 |
| 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 |
Bens perigosos
Para evitar o atraso no processo de desalfandegamento de Mercadorias Perigosas, a remessa deverá ser aberta no nosso armazém para verificar a gravidade dos componentes perigosos. Please see the list of Mercadorias perigosas aqui.
Quem Deverá Comprar?
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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.
DESCRIÇÃO DO PRODUTO
Oura Ring 4 - Ceramic Cloud - Size 7 - Sleep, Activity, Womens Health, AI Advisor, Up to 8 Days of Battery Life, Before You Buy, Android & iOS Compatible, Smart Ring, Oura App
Tem alguma Dúvida? Converse connosco
Perguntas e Respostas dos Clientes
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pergunta:
What health metrics does the Oura Ring 4 track?
Resposta: The Oura Ring 4 tracks a variety of health metrics including heart rate, sleep quality, and activity levels. It provides insights into your heart rate variability, respiratory rate, and body temperature changes. This range of metrics allows users to gain a deeper understanding of their overall health and wellness, making it ideal for both fitness enthusiasts and those looking to improve their sleep patterns. For example, athletes can monitor their recovery, while individuals aiming for better sleep can analyze sleep stages through the detailed insights provided. -
pergunta:
How does sleep tracking work on the Oura Ring 4?
Resposta: The sleep tracking feature of the Oura Ring 4 works using advanced sensors that monitor your heart rate, body temperature, and movement throughout the night. It classifies your sleep into stages like light, deep, and REM sleep, giving you a comprehensive view of your sleep health. This is particularly useful for individuals who want to optimize their sleep quality for improved daily performance. By analyzing the data, users can establish better sleep routines to enhance restfulness. -
pergunta:
What materials are used in the Oura Ring 4?
Resposta: The Oura Ring 4 is made from durable and high-quality materials, featuring a titanium outer shell that ensures robustness and a sleek design. It also incorporates a ceramic inner coating for comfort during prolonged wear. As a result, the ring is not only stylish but also suitable for various lifestyle activities, whether you’re exercising or attending formal events. This combination of materials ensures that it can withstand everyday wear while maintaining aesthetic appeal. -
pergunta:
Is the Oura Ring 4 water-resistant?
Resposta: Yes, the Oura Ring 4 is designed to be water-resistant, rated at a level that can withstand splashes and brief submersion in water. This means you can wear it while washing your hands, during showers, or while swimming without worry. However, prolonged exposure to high-pressure water activities is not recommended. Its water resistance ensures that you can track your metrics consistently without removing the ring, making it a great companion for active lifestyles. -
pergunta:
How long does the battery last on the Oura Ring 4?
Resposta: The Oura Ring 4 has a battery life of up to 7 days on a single charge, depending on the usage and features you engage with. This long-lasting battery allows you to track your health without needing frequent recharges, which is particularly beneficial for those focused on continuous health monitoring. Users can wear it all week for consistent data collection without the interruption of charging frequently, facilitating a seamless experience in tracking health metrics. -
pergunta:
What is the Oura Ring 4 Sizing Kit?
Resposta: The Oura Ring 4 Sizing Kit is a set of plastic rings that help you determine the correct size for your Oura Ring. This kit ensures that you get a perfect fit, essential for accurate readings from the ring’s sensors. It includes multiple sizes so you can try them on to find your ideal fit. A well-fitted ring provides better sensor alignment, enhancing its ability to track metrics precisely. Users often appreciate this feature as it helps avoid the hassle of ordering the wrong size. -
pergunta:
Can the Oura Ring 4 sync with other devices?
Resposta: Yes, the Oura Ring 4 can easily sync with smartphones via Bluetooth, allowing users to integrate their data with other fitness and health applications. This feature enhances its functionality by providing a consolidated view of your health metrics across platforms. For instance, users can combine their Oura data with fitness apps to help track progress toward specific health goals, offering a more holistic view of personal fitness. -
pergunta:
How is the Oura Ring 4 charged?
Resposta: The Oura Ring 4 comes with a convenient charging dock that allows for easy and efficient charging. Simply place the ring on the dock and it will start charging. This magnetic charging feature ensures the ring is secure during the process. Users will appreciate being able to quickly recharge while not in use, ensuring they can continue to monitor their health metrics without downtime due to battery issues. -
pergunta:
What makes the Oura Ring 4 different from previous models?
Resposta: The Oura Ring 4 offers several improvements over its predecessors, including enhanced sensors for more accurate readings, a streamlined design for improved comfort, and better battery life. Additionally, it features upgraded algorithms for sleep and activity tracking, resulting in more personalized insights. This is particularly important for users who heavily rely on accurate data for training or health management, as these upgrades significantly enhance usability. -
pergunta:
Where can I buy Oura Ring 4 - Silver - Size 10 - Smart Ring in São Tomé and Príncipe?
Resposta: You can purchase the Oura Ring 4 - Silver - Size 10, along with the Oura Ring 4 Sizing Kit, from Ubuy in São Tomé and Príncipe. Ubuy offers a variety of options for ordering this premium health and fitness wearable, ensuring that you can find the right size and color to fit your taste. Their platform is user-friendly, making it convenient for shoppers to browse and access the product efficiently.
OURA Rings JZ90-57460-07 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. ###
Avaliações e Classificações dos Clientes
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Prós
- 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 ###
Contras
- Some initial uncertainty about the purchase value
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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- Limitações: para produtos expedidos internacionalmente, tenha em atenção que qualquer garantia do fabricante pode não ser válida; opções de serviço do fabricante podem não estar disponíveis; manuais de produtos, instruções e avisos de segurança podem não estar nas línguas do país de destino; os produtos (e materiais que o acompanham) pode não ter sido concebido em conformidade com as normas, especificações e requisitos de rotulagem do país de destino; e os produtos podem não estar em conformidade com a voltagem e outras normas elétricas do país de destino (requerendo assim o uso de um adaptador ou conversor caso seja apropriado). O destinatário é responsável por garantir que o produto pode ser legalmente importado para o país de destino. Quando encomenda à Ubuy ou aos seus afiliados, o destinatário é o importador de registo e deve estar em conformidade com todas as leis e regulamentos do país de destino.
- Nem todos os produtos listados na Ubuy estão à venda, uma vez que a Ubuy é um motor de busca global. Os produtos estão sujeitos a leis de exportação/comércio.
STD 12294500
Encomende já e receba por volta de Quinta-feira, Agosto 20
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Os nossos principais Parceiros Logísticos
Entrega internacional mais rápida
Recursos e benefícios
- Revolutionary smart ring designed for personal health monitoring.
- Tracks over 30 biometrics including sleep, activity, heart health, and more.
- Up to 8 days of battery life for hassle-free wearing.
- All-titanium design offers exceptional durability and comfort.
- Compatible with over 40 health apps for seamless integration.
- First month of membership is free, $5.99/month thereafter.
Ubuy Assurance
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.