Product overview A compact smart ring that tracks daily activity and detailed sleep stages to give a clearer picture of your body state. It records deep sleep, rapid eye movement sleep, light sleep and wakefulness, and analyzes health data to help you make informed lifestyle choices. Polished stainless steel construction combines a minimalist look with durable, lightweight wear. Key benefits Understand sleep more clearly: Tracks deep sleep, REM, light sleep and wake periods to provide a comprehensive view of sleep behavior and nightly patterns. Data that supports better choices: Records and analyzes your health metrics so you can adopt habits that help you feel more energized and balanced. Reliable everyday tracking: Advanced sensors and precise manufacturing deliver consistent monitoring for workouts, daytime activity and overnight sleep. Comfortable, durable design: Polished stainless steel finish is lightweight and suitable for regular wear; water and sweat resistant for daily use. Broad compatibility: Works with iOS and Android devices and synchronizes with iOS Health for streamlined data access. Features Sleep index: Breaks down sleep into key stages to show nightly trends and variations without making medical claims. All day monitoring: Energy efficient design provides 3 to 5 days of continuous tracking on a single charge. Accurate monitoring: Integrated sensors and refined production deliver dependable readings across activity and sleep modes. Form and fit: Minimalist styling with a lowprofile fit that is lighter than a typical ring for comfortable longterm wear. Connectivity: Syncs to compatible iOS and Android devices; supports synchronization with iOS Health. Practical use scenarios Nightly sleep review: Wear the ring overnight to compare your proportions of deep sleep, REM, light sleep and wakefulness across multiple nights to identify trends and adjust bedtime routines. Workout and recovery tracking: Use the ring during exercise and through recovery periods to monitor activity levels and overnight rest without interrupting your routine. Daily habit adjustments: Review daily and weekly summaries on your phone to see how changes in activity, bedtime, or stress management affect your overall patterns and energy across the day. What makes it stand out Focused sleep stage tracking that presents a detailed snapshot of nightly behavior. Multiday battery life for continuous tracking without frequent charging. Sleek stainless steel design that balances appearance with durability and comfort. Compatibility with iOS and Android plus synchronization with iOS Health for convenient data integration. Specifications Material: Polished stainless steel Battery life: Approximately 3 to 5 days of continuous monitoring Monitored metrics: Deep sleep, rapid eye movement sleep, light sleep, wakefulness, activity tracking Compatibility: iOS and Android; syncs with iOS Health Choose this smart ring for discreet, continuous monitoring of sleep stages and daily activity, presented in a simple, wearable form factor that connects to your smartphone for easy review and insight.