How long should my ring work between charges?

Oura Ring 4 typically lasts 5-8 days on a full charge, depending on usage. Contact Oura Member Care if you have questions or concerns with battery life, and they will ensure your problem is resolved

How do I choose the right Oura Ring size?

Using the Oura Ring 4 Sizing Kit, choose a finger for your ring. We recommend the index, middle or ring finger. Wear the sizer ring for 24 hours to ensure the fit is secure and comfortable over the course of your day.

Oura Ring 4, Oura Ring 4 Charger, and USB-C Cable.

How do I see my Oura Ring metrics?

After activating your Oura Ring, you can choose a monthly or annual membership to unlock full access to Oura’s features, daily health and wellness metrics, and personalized guidance.

Can I use more than one ring?

Oura Members can now connect more than one Oura Ring 4 to their Oura App and quickly switch between them. Note, this feature only supports wearing and syncing data from one active Oura Ring at a time.

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Oura Smart Ring 4 - Stealth - Size 10 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Oura Smart Ring 4 - Stealth - Size 10 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS / Android Compatible

Product ID: 703964909

Details

Battery capacity
144 Milliamp
Battery cell composition
Lithium
Brand
OURA
Connectivity technology
Bluetooth
GPS
No GPS
Operating system
Android

⌚8-day battery life

💓30+ biometric sensors

💤Advanced sleep tracking

€ 619.65

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

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Description

💍 Own your health, invisibly powerful.

SEAMLESS SYNC - Effortlessly integrates with iOS and Android for real-time analytics and personalized wellness coaching.
SLEEK STEALTHY - Minimalist titanium design in stealth black, engineered for comfort and style that fits your unique size.
SLEEP LIKE A PRO - Unlock deep sleep patterns and optimize recovery with precision sleep monitoring.
BIOMETRIC MASTERY - Track over 30 health metrics including heart rate variability, temperature, and activity levels.
ALL DAY POWERHOUSE - Up to 8 days of uninterrupted health insights with fast 80-minute wireless charging.

The Oura Smart Ring 4 in Stealth is a titanium wearable designed for professionals seeking discreet, advanced health tracking. It monitors over 30 biometric signals including heart rate and sleep quality, offers up to 8 days of battery life with quick wireless charging, and syncs seamlessly with iOS and Android devices. Its minimalist design and customizable sizing make it a perfect blend of style and cutting-edge wellness technology.

Specifications

ASIN	B0D9WVKWXN
Band Material Type	Titanium
Battery Average Life	7 days
Battery Capacity	144 Milliamp Hours
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Battery capacity	144 Milliamp Hours
Best Sellers Rank	409 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 3 in Wearable Tech Rings
Box Contents	Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable
Brand Name	OURA
Closure Type	No Closure
Colour	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	all current iPhone models, all current Android models
Connectivity Technology	Bluetooth
Connectivity technology	Bluetooth
Country of Origin	Estonia
Customer Reviews	4.2 out of 5 stars 8,557 Reviews
Display Type	Analog
GPS Geotagging Functionality	No GPS
Human Interface Input	Touchscreen
Item Dimensions	24 x 24 x 8 millimetres
Item Weight	6.3 Ounces
Manufacturer	Oura
Memory Storage Capacity	16 MB
Memory storage capacity	16 MB
Metrics Measured	Heart Rate Monitor, Sleep Monitor
Model Number	JZ90-54218-10
Operating System	Android
Operating system	Android
Product Features	Advanced Health Tracking (Over 30 Biometrics)
Product Warranty	3 year manufacturer warranty
Shape	Round
Special feature	Advanced Health Tracking (Over 30 Biometrics)
Style Name	Minimalist
Supported Application	Fitness Tracker
Supported Satellite Navigation System	GPS
Unit Count	1.0 count
Warranty Type	Standard
Water Resistance Level	Water Resistant
Wearable Computer Type	Smart Ring
Wireless Compability	Bluetooth
Wireless Provider	Unlocked
Wireless communication standard	Bluetooth

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Excellent communication throughout the order process. Product is perfect.

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€ 619.65

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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