Smart Ring for Women Men, Health Fitness Tracker Ring with Sleep Monitoring/Heart Rate/Blood Oxygen/HRV/Stress/Calorie/Steps, IP68 Waterproof for...

Buy Smart Ring Size FirstSize small, take one size up. For a comfortable and perfect fit, please verify your ring size before ordering. You can either obtain your exact finger size with a ring sizer kit or measure your finger circumference by consulting the size chart. This helps you avoid unnecessary returns and exchanges. Upgraded Chip & No App FeesThis fitness ring is equipped with an advanced chip and optical sensor, enabling accurate monitoring of various health data (HRV data in particular) to help you better understand your physical condition. Plus, the app for this health tracker ring is free, easy to use, and portable. Health MonitoringThe smart ring health tracker combines health monitoring, fitness tracking, and sleep analysis. It tracks heart rate, blood oxygen, stress levels, HRV, sleep data, step count, distance, calories, and more. This lightweight fitness ring tracker provides all-day real-time data to help you reach your health goals. 180+ Activity & Fitness Tracker ModesThis health tracker supports both outdoor and indoor activities, including running, cycling, swimming, hiking, dancing, pilates, yoga, etc. It records distance, calories burned, and duration of each activity. This exercise ring can help you maintain an active and healthy lifestyle. Intelligent Sleep Tracker RingThis smart ring for men and women monitors your deep sleep, light sleep, stages of rapid eye movement, and wakeful periods throughout the night. As a sleep ring, it monitors