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.Customs & duties included in the price

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Oura Ring 4 - Smart Ring - Stealth - Size 9 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible

Oura Ring 4 - Smart Ring - Stealth - Size 9 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible

Product ID: 662206967

Details

Battery Capacity
18
Battery Cell Composition
Lithium
Brand
OURA
Connectivity Technology
Bluetooth
GPS
GPS Via
Model Name
Oura Ring 4 -

⌚8 days battery life

💧Water resistant up to 100m

🔬Tracks 50+ health metrics

Description

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

SEAMLESS APP INTEGRATION - Syncs effortlessly with iOS & Android plus 40+ favorite health & fitness apps.
UNMATCHED BATTERY FREEDOM - Up to 8 days of uninterrupted tracking—forget charging, focus living.
STYLE THAT EVOLVES WITH YOU - Multi-ring support lets you switch finishes via the app—health tracking never looked this good.
ALL DAY ALL NIGHT HEALTH INSIGHTS - Smart Sensing adapts to your body for 50+ metrics including sleep, stress & women’s health.
TITANIUM DURABILITY MEETS SLEEK STEALTH - Lightweight, water-resistant design built for 24/7 wear and sensitive skin comfort.

The Oura Ring 4 is a cutting-edge smart ring crafted from durable titanium, designed for continuous 24/7 health monitoring. It tracks over 50 vital health metrics including sleep, activity, stress, and women’s health, powered by adaptive Smart Sensing technology. With up to 8 days of battery life and water resistance up to 100 meters, it offers a seamless, stylish, and comfortable experience compatible with iOS and Android devices, integrating with over 40 popular health apps.

Specifications

ASIN	B0D9WVKRKS
Additional Features	Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight
Age Range Description	Adult
Band Material Type	Titanium
Battery Average Life	5 days
Battery Capacity	18
Battery Cell Type	Lithium Polymer
Battery Charge Time	80 minutes
Best Sellers Rank	#212 in Electronics ( See Top 100 in Electronics ) #2 in Smart Rings #6 in Activity & Fitness Trackers
Brand	OURA
Built-In Media	Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide
Closure Type	Buckle
Color	Stealth
Communication Feature	Bluetooth
Compatible Devices	Smartphone
Compatible Phone Models	Compatible with iOS and Android devices
Connectivity Technology	Bluetooth
Customer Reviews	4.0 4.0 out of 5 stars (8,781)
Display Type	No Display
EU Spare Part Availability Duration	8 days
GPS Geotagging Functionality	GPS Via Smartphone
Human Interface Input	Unknown
Item Dimensions	0.91 x 0.91 x 0.31 inches
Item Weight	0.18 kg
Manufacturer	Oura
Metrics Measured	Body Temperature, Menstrual Cycle, Sleep Duration, Stress
Model Name	Oura Ring 4 - Stealth - Size 9
Model Number	JZ90-54218-09
Operating System	i_os, android
Shape	Round
Style Name	Metallic
Supported Application	Fitness Tracker, Sleep Monitor, Heart Rate Monitor, Multisport Tracker, Calendar, Reminders, Weather, Messages, Phone, Camera, Music Player, Voice Control, Voice Record, Video Record, Find My Phone, Social Media, Email, GPS, Blood Pressure Monitor, Pedometer, Elevation Tracker, Voice Assistant, Time Display, Alarm, Contacts, Photo Gallery, Blood Pressure Monitor, Heart Rate Monitor, Multisport Tra…
Supported Satellite Navigation System	GPS
Target Audience	Unisex Adults
Unit Count	1 Count
Warranty Description	1 Year Manufacturer
Warranty Type	Standard
Water Resistance Depth	100 meters
Water Resistance Level	Water Resistant
Wearable Computer Type	Smart Ring
Wireless Compability	Bluetooth
Wireless Provider	Verizon

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

Abdullah B.

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

3 weeks ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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¥110886

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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