Even Realities - Even R1 - Size 8 - Smart Ring, Health Monitor, Size Before You Buy with Even R1 Sizing Kit - Grey - Gray - (2025)

Introducing the world’s smallest smart ring—Oura Ring 5, built with even more sensing power than previous generations. 40% smaller and ultra lightweight, Oura Ring 5 fits seamlessly in with your life and your style. The updated all-titanium design is more scratch-resistant and comfortable than ever, Oura Ring 5 delivers 50+ health metrics with research-grade accuracy. With 6-9 days of battery life you can even forget it’s on. No more compromises when it comes to tracking your health. IMPORTANT: Size yourself with the Oura Ring 5 Sizing Kit before you buy — Oura Rings are not US standard sizing and other Oura Ring generations, and finding the right size will result in the best experience possible. With an Oura Ring 5 Sizing Kit purchase, you will receive a $10 Best Buy gift card to use towards your Oura Ring 5 purchase.

Track your sleep, activity, and heart rate without any monthly fees. This smart ring measures your heart rate automatically every 30 minutes and provides real‑time sleep cycle analysis, step count, calories burned, and exercise performance. The built‑in battery lasts 2‑3 days, and the included charging case extends total use to over 10 days. It’s waterproof up to 80 meters – wear it while swimming, sweating, or washing hands. No app subscription needed – full features are free forever. Works with iOS and Android. Before ordering, please measure your finger circumference using the size chart to ensure a perfect fit. A great choice for anyone who wants continuous health tracking without a bulky watch.

Actionable health tracking smart ring. A comfortable and sleek smart ring that tracks your sleep, movement and recovery trends, nudging you to make healthier choices every day. The Ring lasts up to 6 days on a complete charge.*