MUNBYN Smart Ring with Sleep and Health Tracking

Size Before You Buy: Use the MUNBYN sizing chart before purchasing the Smart Health Ring to ensure a precise and comfortable fit, as our sizing standard is different due to built-in sensors Monitor Your Health & Sleep: Wear this health smart ring to improve your life with daily/weekly/monthly sleep trend reports and analysis of heart rate, sleep stages, activity, and personalized wellness recommendations 4-in-1 Mental Health Tracker: Monitors your mood, stress, fatigue level, and emotion, enabling you to understand your mental health status clearly and make timely adjustments Advanced Health Tracking: Precisely tracking heart rate, blood oxygen, and blood pressure every 30 minutes, this smart ring for health tracking also predicts menstrual cycles without cloud data upload and provides instant health reports on steps, calories, distance, and heart rate Wear All Day & Night: Ultra-thin, stylish 2 mm smart ring offers all-around comfort and convenience in activities like sleepin