Oura Ring 4 - Smart Ring - Silver - Size 8 - Sleep, Activity, Women's Health, AI Advisor, Up to 8 Days of Battery Life, Oura App, Android & iOS Compatible
by OURA · Wearable Technology
In Stock
7,045 verified reviews · We may earn a commission · Disclosure
Fair price · based on price history, ratings & popularity
- Popularity
- 🔥 Trending
- Network
- amazon
- Prime
- ✓ Eligible
- Region
- us
Why it's a great deal
ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night
ACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing
LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments
OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Membership is tied to your account via the Oura App, not your physical ring
HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping
DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin
SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
LOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style
Specifications
- GPS
- No GPS
- ASIN
- B0D9WVSZ56
- Brand
- OURA
- Shape
- Ring
- Colour
- Silver
- Brand Name
- OURA
- Model Name
- Oura Ring 4 - Silver - Size 8
- Sport Type
- Multi-Sports
- Style Name
- Modern
- Band Colour
- Silver
- Item Weight
- 5.2 Grams
- Box Contents
- Information Booklet, Oura Ring 4, Oura Ring 4 Charger, Quick Start Guide, USB-C Cable
- Closure Type
- Slip On
- Display Type
- No Display
- Manufacturer
- Oura
- Model Number
- JZ90-54217-08
- Warranty Type
- Lifetime
- Controller Type
- Remote control via smartphone
- Item Dimensions
- 25 x 25 x 7 millimetres
- Special feature
- Heart Rate Monitor, Activity Tracker
- Target Audience
- Unisex Adult
- Battery Capacity
- 26 Milliamp Hours
- Battery capacity
- 26 Milliamp Hours
- Customer Reviews
- 4.3 4.3 out of 5 stars (6,306) 4.3 out of 5 stars
- Metrics Measured
- optical, accelerometer
- Operating System
- Android
- Operating system
- Android
- Product Features
- Heart Rate Monitor, Activity Tracker
- Battery Cell Type
- Lithium Polymer
- Best Sellers Rank
- 361 in Electronics & Photo (See Top 100 in Electronics & Photo) 1 in Wearable Tech Rings
- Country of Origin
- Estonia
- Waterproof Rating
- IP68
- Band Material Type
- Titanium
- Case Material Type
- Titanium
- Compatible Devices
- Smartphone
- Battery Charge Time
- 80 minutes
- Battery Average Life
- 8 days
- Wireless Compability
- Bluetooth
- Age Range Description
- Adult
- Communication Feature
- App Integration, Bluetooth
- Human Interface Input
- Buttons
- Supported Application
- Over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more
- Water Resistance Depth
- 1 Metres
- Water Resistance Level
- Water Resistant
- Wearable Computer Type
- Smart Ring
- Compatible Phone Models
- iOS, Android
- Connectivity Technology
- Bluetooth, USB
- Connectivity technology
- Bluetooth, USB
- Memory Storage Capacity
- 5 MB
- Memory storage capacity
- 5 MB
- Battery cell composition
- Lithium Polymer
- Item Dimensions D x W x H
- 25D x 25W x 7H millimetres
- GPS Geotagging Functionality
- No GPS
- Wireless communication standard
- Bluetooth
- Supported Satellite Navigation System
- GPS
Our Data-Driven Analysis
OURA holds a 4.2/5 rating from 7,045 verified buyer reviews in our Wearable Technology category. This is a solid rating indicating the majority of buyers are satisfied with their purchase.
Our proprietary Deal Score rates this a 4.3/10 based on price history, rating trends, review velocity, and category positioning. Fair value currently — consider waiting for a deeper discount if your timeline is flexible.
Compared to 8 similar products in Wearable Technology, pricing is above the category average ($12.88).
Analysis generated from 7,045 verified reviews · Price data updated hourly · Methodology: how we analyze
Customer Ratings
This product holds a 4.2/5 average from 7,045 verified customer ratings on Amazon. We surface the genuine retailer rating here so you can judge the deal at a glance — and we link straight to the source so you can read the real reviews yourself.
Read customer reviews on AmazonRatings are aggregated from Amazon and re-verified hourly. We may earn a commission if you buy through our link.
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OURA
$349.00