Oura Ring 5 is the world's smallest smart ring, 40% smaller than the previous generation, with an updated all-titanium design that is more scratch-resistant and comfortable. It tracks over 50 health metrics, including sleep, activity, stress, heart health, metabolic health, and women's health, and integrates with more than 40 apps such as Natural Cycles and Strava.

Rebuilt for greater accuracy, larger and smarter sensors deliver research-grade data in Oura's smallest form factor yet. With 6–9 days of battery life, it keeps up with your routine, and the first month of Oura Membership is included for new members. Sizing is essential: Oura Ring 5 uses unique sizing different from standard jewelry rings and other Oura generations, so use the Oura Ring 5 Sizing Kit to find your perfect fit before purchasing.

Key Features

Highlights

• THE WORLD’S SMALLEST SMART RING - 40% smaller than the previous generation, Oura Ring 5 is thinner, lighter and smaller than ever. The updated all-titanium design is more scratch-resistant and comfortable than ever.
• SIZING IS ESSENTIAL - Oura Ring 5 uses unique sizing different from standard jewelry rings and other Oura Ring generations; use the Oura Ring 5 Sizing Kit to find your perfect fit before purchasing.
• EVERYDAY HEALTH SENSING - Oura tracks over 50 health metrics, including sleep, activity, stress, heart health, metabolic health and women’s health metrics. Oura seamlessly integrates with over 40 apps including Natural Cycles, Strava, & more.
• REBUILT FOR GREATER ACCURACY - Oura Ring 5 has been re-engineered and reconfigured, providing more precise personal health data. Larger, smarter sensors bring research-grade accuracy —all in Oura’s smallest form factor yet.
• 1 WEEK OF BATTERY LIFE - With 6-9 days of battery life, you’ll never miss a night of data.
• DIVE DEEPER WITH AI - Oura Advisor provides sound guidance as you make moves toward more sustained energy levels, better sleep, a healthy weight, and so many other health benefits.
• HSA/FSA ELIGIBLE - Oura Ring, additional chargers, and shipping are eligible for HSA or FSA funds.

Sizing & fit

Oura Ring 5 uses unique sizing that differs from standard jewelry rings and other Oura Ring generations. To ensure the best fit and experience, use the Oura Ring 5 Sizing Kit before purchasing.

How to use

Wear the Oura Ring 5 on your finger and pair it with the Oura App via Bluetooth to track over 50 health metrics. The ring integrates with more than 40 apps, including Natural Cycles and Strava, and Oura Advisor provides AI-driven guidance. Charge the ring as needed to maintain 6–9 days of battery life.