1.91-inch Large Waterproof Screen: This smart watch is equipped with a 1.91-inch screen, which can clearly display time and data even in bright sunlight. It also has an IP68 waterproof rating, making it safe for everyday use and swimming. (Note: Not suitable for diving or sauna use). Notifications and More Practical Features: All messages and notifications will show on your wrist and remind you through vibration. There are also many convenient functions like Timer, Sedentary Reminder, Music Control, Weather Display, etc. Multiple Workout Modes: Whether you are cycling, running, walking or hiking, this smartwatch can track your progress and provide valuable insights for your daily health analysis and improvement. Health Monitoring: This fitness tracker watch can monitor every aspect of your health, including heart rate, blood pressure, blood oxygen, body temperature, sleep, and more. (Note: The results of blood sugar and ECG measurements are for reference only). Long Battery Life: Connect this watch to your phone and never miss a call or a message again. With a 2-hour charge and up to 7-10 days of standby time, it's the perfect companion for your daily activities.