Mobile smartwatch with message reminder After connecting the smartwatch to the phone, you can answer and make calls on the watch. Add contacts to your watch. When your phone receives a call or text message (such as WhatsApp, Facebook, Twitter, Instagram, etc.), you will be reminded, and equipped with a long sitting reminder, alarm clock, stopwatch, water alarm, shaking photos, music control, searching for a phone, etc. 28 sports modes and IP68 waterproof The smartwatch records daily data such as steps, distance, and calories burned. 28 built-in sports modes and IP68 waterproof function, suitable for most sports enthusiasts. The GPS Activity tracker can also control the music on the mobile phone, provide notification of exercise stage, status and heart rate zone, and create a motion data report in the application after exercise. Health Monitoring Fitness Watch This smart watch has a built-in motion sensor that can monitor real-time dynamic heart rate, blood oxygen, and automatically track your sleep time and stage. Protect your sleep quality by recording deep sleep, mild sleep, and wake-up times, allowing you to better understand your health. (Note: This data is for fitness reference only, not for medical reference.). DIY watch surface: The DIY dial is replaced daily to keep the watch fresh. After the watch is connected to the application, there are over 100 dials available for selection in the application. You can choose your beautiful photos, pets, and other photos as watch wallpapers and freely change them according to your mood. [High compatibility and long running time] This smartwatch is compatible with iOS 8.0, Android 5.0, and above. This smartwatch has fast charging speed and long battery life. Fully charged for 2 hours, continuously used for 5 days (connected to Bluetooth calls)/continuously used for 7 days (not connected to Bluetooth calls), standby for 30 days.