Silent Vibration Alarm System: Up to 8 independent vibration alarms can be set, perfect for deep sleepers or as discreet reminders for medications and important appointments without disturbing others. Comprehensive Health and Fitness Monitoring: Heart rate monitoring, sleep analysis, pedometer, calorie counter, and storage of up to 30 days of activity data to track your health. Multifunctional Time Features: Display of time, date, and day of the week, cyclic countdown timer, and stopwatch for precise timing during workouts, training, or daily life. Practical and Comfortable for Daily Use: Skin-friendly silicone strap, lightweight design, IP65 water resistance (sweat and splash-proof), perfect for daily use. USB charging interface. Intuitive Display and Easy Operation: LED digital display clearly shows all information. Button function allows for quick function switching and easy handling. Reminder Mode: Gentle vibration. Package Contents: Smart bracelet × 1, charging cable × 1