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Oura Ring 4 - Silver - Size 4 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life
$349.00
Free Shipping with 
Estimated Delivery
Wed, Jun 18th
Lowest Price in 50 Days!
Price History
Min
$349.00↓
Max
$480.89↑
Current
$349.00•
Average
$392.96~
*Chart shows price fluctuations over time. Current price may be the lowest in recent history.
Available Variations
Color
Size
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Features
- SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit. For additional details, see “From the brand” section below
- OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Or opt for the annual prepaid option for 69.99. Membership is tied to your account via the Oura App, not your physical ring
- ACCURACY - SMART SENSING - Oura tracks over 30 biometrics, 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
- 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
- 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
- HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, Oura Ring Chargers
- 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
Product Description
Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 30 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health. Oura Ring 4 quietly and comfortably monitors your health and with up to 8 days of battery life — you can forget it’s even on. Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you. Oura Ring 4 is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring 4, additional chargers, and shipping. IMPORTANT: Size yourself with the Oura Ring 4 Sizing Kit before you buy — Oura Ring 4 is not US standard sizing, and finding the right size will result in the best experience possible. With an Oura Ring 4 Sizing Kit purchase, a credit will automatically be applied to your Oura Ring 4 at checkout.
Sustainability Insights
Sustainability Score:
🌱🌱🌱 (8/10)
Why it's great:
The Oura Ring 4 has several eco-friendly features and sustainable aspects. It is designed for 24/7 wear, promoting durability and longevity. The all-titanium construction enhances durability, making it a long-lasting product. Additionally, the ring is water-resistant, reducing the likelihood of damage from exposure to water. The energy-efficient design with up to 8 days of battery life and no screens or vibrations contributes to lower energy consumption.
Sustainable Actions:
To extend the product's lifecycle, users can regularly clean the ring with a mild soap and water to prevent dirt buildup. When not in use, store the ring in a safe place to avoid damage. Once the product reaches the end of its lifecycle, consider recycling options for electronic devices. Many electronic waste recycling programs accept wearable devices like smart rings.
Product Information & Details
Brand: OURA
Manufacturer: Oura
Model Number: JZ90-54217-04
Part Number: JZ90-54217-04
ASIN: B0D9WVPP8M
Sales Rank: #60,684
Color: Silver
Condition: NEW
Release Date: 10/3/2024
List Price: $349.00
Current Price: $349.00
Last Updated: June 17, 2025 at 07:44 PM
Shipping & Availability
Prime Eligible: Yes
Amazon Fulfilled: Yes
Free Shipping Eligible: Yes
Availability: In Stock.
Min Order Quantity: 1
Max Order Quantity: 2
Shipping Cost: $0.00
Free Shipping Threshold: $0.00
Estimated Delivery: 6/18/2025 - 6/18/2025
Delivery Information: FREE delivery Overnight 4 AM - 8 AM. Order within 9 hrs 30 mins
Seller Information
Merchant: Amazon.com
Fulfillment Type: AMAZON FULFILLMENT
Product Badges
Amazon Prime
Frequently Asked Questions
What is the return policy for this product?
All products are eligible for return within 30 days of purchase. Returns are easy by contacting support.
How long does shipping take?
This product is Prime eligible and typically ships within 1-2 business days with free shipping.
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Yes, all products sold through Bazar are authentic and sourced directly from authorized retailers and Amazon.
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