This is the 2024 original version of the M9 MAX2.19 infinite Display Sport Watch Smart watch. It has new functions such as Games and Multi-Screen Function. This latest version offers convenience, unrivaled experience and smart compatibility with the smartphone.M9 MAX2.19 infinite Display Sport Watch is compatible with Android and IOS (iPhone). For Android, it works with version 5.0 and above and for IOS (iPhone) version 9.0 and above.With a full touch screen and a screen resolution of 320x240, it offers a variety of essential apps that sync with your smartphone. It is compatible with both Android devices and iPhone. For Android devices, it works with Android version 5.0 and above while for iPhone, it works with IOS version 10.0 and above.Once you have the smartwatch, connect it to your smartphone via Bluetooth support. Then download  "Fitpro" app from the Google Play store (Android) or Play Store (IOS). Pair your smartwatch to the app. The app will store synchronized sports data such as heart rate, blood pressure reading and all health data.