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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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Ring 4 | Smart Ring | Size First with Oura Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life

Product ID: 717503331

Details

Battery capacity
6720
Connectivity technology
Bluetooth
Operating system
Proprietary OS
Special features
Activity
Wireless communication standard
Bluetooth

⌚8 days battery life

💧Waterproof up to 50m

🔬Tracks 30+ biometrics

$542.73

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered 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 British Virgin Islands.

Secure transaction

Description

💍 Elevate your wellness game—wear the future on your finger.

UNMATCHED BATTERY ENDURANCE - Up to 8 days of uninterrupted use means you stay focused on life, not charging.
PRECISION SIZING PERFECT FIT - Size yourself first with the Oura Ring 4 Sizing Kit and enjoy a seamless purchase experience.
ALL DAY ALL NIGHT SMART SENSING - Monitor sleep, heart rate, stress, and women’s health with adaptive, continuous biometric tracking.
SEAMLESS APP INTEGRATION MEMBERSHIP - Sync effortlessly with iOS/Android and enjoy a free first month of Oura membership for deeper insights.
TITANIUM DURABILITY MEETS MINIMALIST DESIGN - Lightweight, water-resistant, and built for 24/7 wear with a sleek stealth finish.

The Oura Ring 4 is a cutting-edge smart ring crafted from durable titanium, designed for 24/7 wear with water resistance up to 50 meters. It tracks over 30 biometric signals including sleep, heart rate, and stress, powered by Smart Sensing technology for precise, continuous data. With up to 8 days of battery life and seamless Bluetooth connectivity to iOS and Android devices, it offers a minimalist yet powerful fitness and health tracking experience, complemented by an optional membership for enhanced insights.

Specifications

ASIN	B0D9WWHXHH
Additional Features	Activity Tracker
Age Range Description	Adult
Band Color	Stealth
Band Material Type	Titanium
Battery Average Life	8 days
Battery Capacity	6720
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#633 in Electronics ( See Top 100 in Electronics ) #4 in Wearable Tech Rings
Brand	OURA
Built-In Media	Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable
Case Material Type	Titanium
Closure Type	Buckle
Color	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Country of Origin	Estonia
Customer Reviews	4.0 4.0 out of 5 stars (9,053)
Display Type	Analog
GPS Geotagging Functionality	No GPS
Human Interface Input	Unknown
Item Dimensions	25 x 25 x 8 millimeters
Item Dimensions D x W x H	25D x 25W x 8H millimeters
Item Weight	0.19 Kilograms
Manufacturer	Oura
Metrics Measured	Heart Rate Monitor, Sleep Duration, Stress Monitor
Model Name	Oura Ring 4 - Stealth - Size 11
Model Number	JZ90-54218-11
Operating System	Proprietary OS
Shape	Round
Style Name	Minimalist
Supported Application	Fitness Tracker, Sleep Monitor, Heart Rate Monitor, Pedometer, Multisport Tracker, Reminders, Calendar, Music Player, Messages, Social Media, Weather, Contacts, Photo Gallery, Find My Phone, Voice Assistant, Voice Control, Voice Record, Time Display, Phone, Video Record, Camera, Alarm, Blood Pressure Monitor, Elevation Tracker, Email, GPS
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Unit Count	1.0 Count
Warranty Description	2 year manufacturer warranty
Warranty Type	Limited
Water Resistance Depth	50 Meters
Water Resistance Level	Waterproof
Waterproof Rating	IP68
Wearable Computer Type	Smart Ring
Wireless Compability	Bluetooth
Wireless Provider	Unlocked

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews

$542.73

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered 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 British Virgin Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews