Oura Ring 4 Ceramic Tide Size 15
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Price history
Best price so far: £399.00 at Boots on 6 Sept 2026
It's at the cheapest we've seen in 90 days.
About this product
Product details Please note: As sizing differs from standard ring sizes, we would recommend first purchasing the Oura 4 Sizing Kit to find your perfect fit. You will then receive a 10 credit, which can be used towards the purchase of your Oura Ring. Need to know1. Purchase the Oura 4 Sizing Kit2. Wear the sizer for 24 hours to find your best fit3. Purchase your Oura Ring 44. New Oura members get one month free subscription. Then its 5.99 a month. Oura Ring 4 Ceramic is a modern expression of our revolutionary smart ring technology that blends refined elegance with everyday comfort. The high-performance ceramic exterior is designed to keep up with you and all that you do. The Ceramic Collection is available in four unique colors: Midnight, Petal, Tide and Cloud. Each new color is built to accent your style and personality. Key Features:Track over 50 health metrics and get personalized insights into your sleep, activity, readiness, stress, heart health, metabolic health, women's health and more. Smart Sensing, which adapts to your finger to deliver accurate, continuous data.5-8 days of battery life, you'll see a complete picture of your health. Recessed sensors on the interior, making it comfortable and gentle, even on sensitive skin. Oura Ring 4 Ceramic comes in sizes 4-15 and four stunning finishes to fit your style and your finger, effortlessly. Water resistant up to 100m (328ft), making it suitable for everyday wear, workouts, showering and swimming. Oura Ring 4 Ceramic is powered by Smart Sensing, a breakthrough innovation that adapts to your unique finger to deliver accurate, continuous data, day and night all while optimizing the battery life. Smart Sensing is powered by an algorithm that works with the research-grade sensors on Oura Ring 4 to dynamically select the best signal pathway for you and your current activity to deliver accurate data. Because it's constantly finding the best and most efficient signal pathway, it optimizes battery usage by only using the power it needs.