Oura Ring 4 - Brushed Silver - Size 4 - Sleep, Activity, Women’s Health, AI Advisor, Up to...

ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, 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 ACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Membership is tied to your account via the Oura App, not your physical ring HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping Operating System Sistema operativo proprietario Memory Storage Capacity 1 MB Special Feature Activity Tracker, Cycle Tracking, Daily Workout Memory, Lightweight Battery Capacity 8 days Connectivity Technology Bluetooth Wireless Communication Standard Bluetooth Battery Cell Composition Lithium Polymer GPS GPS Via Smartphone Shape Round Brand OURA See more Oura Ring 4 - Brushed Silver - Size 4 - Sleep, Activity, Women’s Health, AI Advisor, Up to 8 Days of Battery Life, Size Before You Buy, Android & iOS Compatible: Electronics