Smart Ring Fitness Tracker SpO2 Sleep Monitor IP68 Waterproof Step Counter

* 【7 Health Metrics. Precision Monitoring】：Your health insights at your fingertips. Precisely tracks heart rate, blood oxygen (SpO2), heart rate variability (HRV), stress levels, period prediction, activity status, and skin temperature trends. You can easily set automatic checks every 30 minutes in the app to continuously log your health data trends and empower your wellness journey. * 【 12 Professional Sports Modes. Smarter Workouts】：From the gym to the trails, it's your ultimate workout partner. Features 12 dedicated modes like running, cycling, swimming, yoga, weightlifting, hiking, and badminton. Automatically detects your activity and precisely tracks duration, calories burned, and heart rate zones—delivering performance data like a personal coach. * 【Advanced Sleep Coaching. Wake Up Refreshed】：Understand your sleep to transform your mornings. Our multi-sensor algorithm automatically analyzes your deep, light, and REM sleep stages to provide a personalized sleep score and improvement insights. Wear it consistently to discover your patterns and optimize your routine for true recovery. * 【Smart, Slim, & Seamlessly Comfortable】：Crafted with skin-friendly stainless steel and an epoxy resin inner layer, it delivers a lightweight and comfortable wearing experience. It also supports gesture control for taking photos and switching music tracks, freeing your hands effortlessly.Smart Data Sync: Even when Bluetooth is disconnected, the ring can still store data for period of time