Oura Ring 4 Brushed Silver – Size 9 | Sleep, Activity & Women’s Health | AI Advisor | 8-Day Battery

Meet the Oura Ring 4, the latest evolution of the smart ring that blends comfort with powerful sensing. Built from lightweight all‑titanium with a brushed silver finish, it sits gently on your finger while gathering data around the clock through Smart Sensing. It’s designed to adapt to you, delivering continuous insights across more than 50 health metrics, including sleep, readiness, activity, heart health, stress, metabolic signals, and women’s health metrics. With up to 8 days of battery life and a screen-free design, you can wear it day and night without interruption, and you may start to notice how it fits into your routines. The device is compatible with Android and iOS devices, so you can pair it with your phone seamlessly.

Smart Sensing learns from your patterns and can help you view trends over time. This AI advisor‑inspired approach translates data into practical insights for daily decisions, while maintaining a discreet, comfortable silhouette. The ring’s comfort is aided by an all‑titanium construction and a brushed silver finish that stays subtle under sleeves and in night‑time wear.

What’s inside the box and how to use it:

• Sizing kit to ensure a precise fit before purchase, because comfort and accuracy matter for reliable data.
• Up to 8 days of battery life, enabling wear through workouts, commutes, and nights without frequent recharging.
• First month of Oura Membership for new members; ongoing access is available via a monthly plan.
• HSA/FSA eligibility for the ring, chargers, and shipping, where applicable.

Everyday scenarios you might encounter with Oura Ring 4:

• Assess sleep quality after late travel or intense days to guide rest expectations.
• Track daily activity to maintain momentum and healthy routines.
• Observe patterns in wellbeing signals, including women’s health metrics, to tailor routines and conversations with care teams.

Designed for real life, the ring is lightweight enough for all-day wear, with multi-ring support for switching finishes in the app to match style. It’s a simple, screen-free companion you can forget about—until you notice the compliments or gain new perspectives on your days.