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Description
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Sizing Guide
Introducing the remarkably thin and light Oura Ring 5—the smallest smart ring ever made, with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits in seamlessly with your life and your style. Designed to look and feel like a regular ring, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 1 week of battery life you can even forget it’s on.* No more compromises when it comes to tracking your health.
SIZING IS ESSENTIAL - Oura Ring 5 requires unique sizing different from standard jewellery rings and Oura Ring 4; get the free Oura Ring 5 Sizing Kit to find your perfect fit.
*Choosing the right Oura Ring size is essential for comfort and accurate readings. Oura Ring sizing is unique in comparison to the US Standard.
Step 1.
Order your Oura Ring Select the 'Free Sizing Kit' option when you order your Oura Ring. You're purchasing the Oura Ring, but we’ll send you the sizing kit first at no extra cost.
Step 2.
Sizing kit delivery Most orders are processed and delivered within 3 days. This kit includes sample ring sizers to help find your ideal fit.
Step 3.
Find your size Test the sample rings on your preferred finger. We recommend the index finger for optimal performance and accuracy. If you prefer another finger, the middle and ring fingers are good alternatives.
Step 4.
Submit Your Size & get your Oura Ring Confirm your size by visiting the link on the QR code card or here, and we will ship your Oura Ring to you. Feel free to share your sizing kit with friends and family.
Check out the video tutorial here.
Product Highlights
Thinner, lighter, smaller
40% smaller yet powerful than ever. Ultra thin and subtle, it’s designed to become an extension of you and your personal style. So comfortable, you’ll never want to take it off.
Rebuilt for greater accuracy
Oura’s sensors have been re-engineered and reconfigured in Oura Ring 5 for research-grade accuracy and more precise personal health data.
Never run out of energy
Oura Ring 5 has 1 week of battery life, based on ring size and usage. Charge it once a week and never miss a night of data.
Fully Titanium
Even more durable and scratch-resistant than previous generations, Oura Ring 5 is made with aerospace-grade titanium that’s fully waterproof up to 100m and designed to last.
Thinner, lighter, smaller
40% smaller yet powerful than ever. Ultra thin and subtle, it’s designed to become an extension of you and your personal style. So comfortable, you’ll never want to take it off.
Rebuilt for greater accuracy
Oura’s sensors have been re-engineered and reconfigured in Oura Ring 5 for research-grade accuracy and more precise personal health data.
Never run out of energy
Oura Ring 5 has 1 week of battery life, based on ring size and usage. Charge it once a week and never miss a night of data.
Fully Titanium
Even more durable and scratch-resistant than previous generations, Oura Ring 5 is made with aerospace-grade titanium that’s fully waterproof up to 100m and designed to last.










