Oura Smart Ring 4 - Silver - Size 8 - | Non-Standard Fit – Measure with a Size Kit |Sleep, Heart Rate and Fitness Tracking Wearable | 8-Day Battery, iOS /...

• Compact and intelligent design for comfortable everyday wear
• Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking
• Long battery life with convenient wireless charging
• Seamless smartphone app integration for detailed health and activity analytics
• Available in multiple finishes and sizes for personalized style