[Built-in GPS running watch]: For sports enthusiasts who often do outdoor sports such as running and hiking and don't want to carry a mobile phone, the GPS watch can work independently without relying on a smartphone, and can track key data such as running routes, speed, distance, heart rate, calories, and exercise time in real time. After connecting to a smartphone, it will transfer the exercise track data to the mobile app, and you can share the data on Google Fit or iOS Health.[Bluetooth call and message reminder]: Just press the button of the Bluetooth watch to answer a call, reject a call, or make a call. Whether you are on the go or at your desk, the fitness watch allows you to stay connected. Once paired with a mobile phone, the watch will remind you of messages and other notifications. This ensures that you will not miss important communications.[All-day tracking fitness tracker]: The smart watch will automatically track your daily activities such as steps, distance, and calorie consumption, helping you better understand your fitness level.[100+ sports modes and compass watch]: With more than 100 sports training modes, whether you like swimming, running, cycling, or any other form of physical activity, this waterproof smart watch can meet your needs. The outdoor camping watch is also equipped with compass, altimeter and barometer functions, which are particularly useful for hikers, climbers and backpackers.[Long Battery Life & Multi-function]: The military smartwatch has an impressive 650mAh battery capacity, which provides 90 days of standby time. For GPS outdoor use, the sports watch can continuously provide 10 days of battery life, guaranteeing reliable performance throughout the work week. More useful functions: weather, music control, camera control, stopwatch, alarm clock, stopwatch, find phone, etc.