Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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
SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit and receive a $10 Amazon credit towards the future purchase of an Oura Ring 4.
OURA MEMBERSHIP - First month of membership is free with your purchase, $5.99/mo afterwards. Offer available to new members only. 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.
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How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
GIVE THE GIFT OF OURA RING 4 - This gifting kit takes the guesswork out of gifting, allowing the recipient to purchase the correct size and preferred finish of their Oura Ring 4. Gift card sold separately.
CHOOSE A FINGER - Oura Ring 4 works on all fingers. Make sure to size the finger you plan to wear your Oura Ring on. For optimal performance and accuracy, we recommend wearing your Oura Ring on your index, middle, or ring finger.
A FEW EASY STEPS - Purchase the gifting kit and a gift card with your desired value. Your friend or loved one will size themselves, and then purchase their Oura Ring 4 using the gift card.
SIZE BEFORE YOU BUY – Size with Gen3 Sizing Kit prior to purchasing Oura Ring Gen3 (different sizing from Oura Ring 4). For additional details, see “From the brand” section below.
OURA RING GEN3 SIZING KIT - The Oura Ring Gen3 Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the ideal fit before purchasing
NOT STANDARD SIZING — Oura Ring Gen3 Sizing Kit only works to size for Oura Ring Gen3. Gen3 sizes are different from standard ring sizes. Oura Ring Gen3 is available in sizes 6-13. There are no half sizes.
THE REVOLUTIONARY SMART RING - Track your sleep, activity, stress, heart rate and more with Oura Membership. New members get the first month free, after which the price is GBP 5.99 per month. Register for Oura Membership in the Oura App
SIZE BEFORE YOU BUY - Oura Ring sizes are different from standard ring sizes. Purchase an Oura Ring Sizing Kit on Amazon and receive an Amazon credit of GBP 10 towards the future purchase of an Oura Ring (terms and conditions apply)
MORE ACCURATE BY DESIGN - Your finger provides the most accurate pulse reading, making your health data and insights more personalised than ever. The Oura Ring’s research-grade sensors monitor over 20 biometric indicators with precision
OURA Ring 4 sizing kit – the Oura Ring 4 sizing kit is the ideal way to find the perfect size. It is a custom sizing that allows you and your fellow human beings to find the perfect fit before purchasing.
Not standard sizes: the sizes of the Oura Ring 4 differ slightly from the standard sizes, so it is important that you determine the size yourself with the help of our Oura Ring 4 size set and follow the instructions.
CREDIT 10 EUR - When you purchase a size kit, you will receive a 10 EUR Amazon credit for the future purchase of an Oura Ring 4. The sizing kit cannot be returned (terms and conditions apply).
[Smart Ring Sizing Kit] The smart ring sizing kit is the ideal way to find the size, allows you and your loved ones to determine the ideal size before making a purchase.
[Non Standard Sizes] Ring sizes may vary slightly from standard ring sizes, so be sure to determine your size using our size kit. Sizes range from 6 to 13, with no half sizes.
[Finger Selection] The ring is suitable for all fingers and can be worn on either hand. For optimal accuracy, it is recommended to wear the ring on the index finger. Determine the size based on the exact size of the finger you intend to wear the ring on.
[Size Before You Buy] RingConn Gen 2 Air uses unique sizing standards, different from standard ring sizes. Purchase RingConn Sizing Kit to find the most accurate and comfortable fit for your finger
[No-Feel Wearing] Experience a comfortable, stylish design with a super-thin 2mm profile and only 2.5g weight. Won't interfere with your movement whether you're working out, running, diving, or engaging in any physical activity, and stays comfortable without distracting you when sleeping or working
[AI-Powered Health Insights] RingConn Gen 2 Air Smart Ring integrates AI with multi-sensor data to continuously track key health metrics like sleep, heart rate, stress levels, blood oxygen, physical activity, and menstrual cycles. Its built-in AI assistant delivers your personalized report and guidance to enhance your wellness and daily habits
FIT: This smart ring protective cover has high elasticity and is flexible enough to fit all sizes of smart rings, ensuring a fit with your smart ring.
COMPATIBILITY: Designed for smart rings, Elastic Smart Ring Cover is compatible with all smart rings on the market (excluding smart rings). All types of smart rings can use this cover, you can buy with confidence.
ANTI SCRATCH: The ring is easy to get your smart ring scratched by wearing it during activities such as sports, housework or weight lifting. However, when you use Silicone Smart Ring Cover, it can effectively protect your smart ring from scratches and maintain its beautiful appearance.
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