Oura Ring 4 Ceramic Tide – Sleep, Activity, Womens Health AI Advisor

Meet Oura Ring 4 Ceramic Tide

Oura Ring 4 Ceramic Tide fuses a refined, durable ceramic exterior with our breakthrough Smart Sensing technology. The Tide color adds a subtle, versatile accent to everyday wear while the recessed interior sensors provide a gentle, skin-friendly feel. Compatible with Android and iOS, the ring syncs with the Oura App to deliver insights when you want them.

With more than 50 health metrics tracked, this smart ring aims to give you a clearer picture of your daily rhythm. Smart Sensing adapts to your finger, helping maintain accurate, continuous data both day and night as you move through work, workouts, travel, and rest. You’ll notice a battery life that can reach up to eight days, reducing the need to worry about constant charging while you stay active and focused on your routine.

What you get with Oura Ring 4 Ceramic Tide

• 50+ health metrics tracked, including sleep, activity, readiness, stress, heart health, and Womens Health
• Personalized, easy-to-understand insights that illuminate patterns in sleep, activity, and wellness
• Up to 8 days of battery life for extended wear without daily recharging
• Discreet, elegant ceramic exterior with recessed interior sensors for comfortable wear

Fit, care, and lifestyle

• Sizes 4–15 and a sizing kit to help you find the perfect fit before you buy (sizing is not standard jewelry sizing)
• HSA/FSA eligible purchases and first month of Oura Membership included for new users
• Care options and accessories, such as the Ceramic Polishing Pad, to help maintain the finish after syncing in the app

The Tide color is designed to blend with both casual and professional outfits, while the overall build emphasizes comfort for all-day wear. In addition to core metrics, you can view trends in the Oura App to spot patterns in your sleep quality, daily activity balance, and readiness. If you ever want to refresh the look or address surface marks, the polishing pad and proper cleaning are simple ways to keep the finish looking like new.

Important care note: the ceramic surface can pick up color transfer from metals over time. Regular cleaning and removing the ring for certain activities can help maintain its appearance. The Oura Ring 4 Ceramic Polishing Pad is a useful companion for upkeep after syncing in the app.