Oura Ring 5 Smart Ring - Brushed Silver - Size 8

Introducing the world's smallest smart ring: Oura Ring 5, now 40% smaller and ultra-lightweight with an all-titanium design that's more scratch-resistant and comfortable. It delivers 50+ health metrics with research-grade accuracy, including sleep, activity, stress, heart health, metabolic health, and women's health. Enjoy up to 1 week of battery life. Oura Ring 5 is FSA/HSA eligible. Sizing is essential; use the Oura Ring 5 Sizing Kit before purchasing as Oura Rings use unique sizing.