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 - Silver - 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: 680369286

Details

Battery cell composition
Lithium
Brand
OURA
Connectivity technology
Bluetooth
GPS
No GPS
Model name
Oura Ring 4
Operating system
Android

⌚8-day battery life

💓Advanced heart rate & sleep tracking

🔗Seamless Bluetooth smartphone sync

19330120₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

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Description

💍 Own your health, wear your edge.

STYLE MEETS SMART TECH - Available in multiple finishes and sizes, the Oura Ring 4 is the ultimate wearable for the modern professional.
POWER THROUGH YOUR WEEK - Up to 8 days of battery life with fast 80-minute wireless charging keeps you connected longer.
TRACK YOUR HEART MASTER YOUR DAY - Precision optical sensors deliver real-time heart rate and sleep pattern analytics to optimize your wellness.
ALL DAY COMFORT ALL NIGHT INSIGHTS - Sleek titanium design fits like a second skin for continuous health monitoring without distraction.
YOUR HEALTH DASHBOARD IN YOUR POCKET - Effortless Bluetooth integration with iOS and Android apps provides deep, actionable data at your fingertips.

The Oura Smart Ring 4 is a sleek, titanium wearable designed for adults seeking advanced biometric monitoring. It tracks heart rate, sleep, and activity with precision sensors, offers up to 8 days of battery life with quick wireless charging, and syncs seamlessly via Bluetooth to iOS and Android devices. Water-resistant up to 100 meters and available in multiple sizes and finishes, it combines style with cutting-edge health insights.

Specifications

ASIN	B0D9WT1S2T
Age Range Description	Adult
Band Colour	Silver
Band Material Type	Silver
Battery Average Life	8 days
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	481 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
Case Material Type	Titanium
Closure Type	Slip On
Colour	Silver
Communication Feature	Bluetooth
Compatible Devices	Smartphone, Tablet
Compatible Phone Models	[Broad range of smartphone models]
Connectivity Technology	Bluetooth
Controller Type	Ring
Country of Origin	Estonia
Customer Reviews	4.2 4.2 out of 5 stars (8,968)
Display Type	No Display
GPS Geotagging Functionality	No GPS
Human Interface Input	Unknown
Item Dimensions	27 x 27 x 7 millimetres
Item Dimensions D x W x H	27D x 27W x 7H millimetres
Item Weight	180 Grams
Manufacturer	Oura
Metrics Measured	Combination of Accelerometers, Optical Heart Rate Sensors, and Other Sensors
Model Name	Oura Ring 4
Model Number	JZ90-54217-10
Operating System	Android
Product Features	Heart Rate Monitor, Activity Tracker
Product Warranty	3 year manufacturer warranty
RAM Memory Installed	16 MB
Shape	Round
Style Name	Modern
Supported Application	Third-party applications
Supported Satellite Navigation System	GPS
Target Audience	Adult
Warranty Type	Standard/Full
Water Resistance Depth	100 Metres
Water Resistance Level	Water Resistant
Wearable Computer Type	Smart Ring
Wireless Compability	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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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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1 week ago

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19330120₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered 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 Vietnam.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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Received my product in pristine condition. Great service overall.

1 month ago

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