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 phone application, 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: Activity tracker with heart rate, blood pressure and blood oxygen monitor. With upgraded hardware and algorithms, the sensor can accurately monitor your heart rate even if you do high-intensity exercise. The sleep tracking watch will monitor and record your sleep cycle, distinguish between deep sleep, light sleep and awake states, and form a detailed sleep report to give you an in-depth understanding of your sleep quality.100+ Sports Modes & Compass Watch: With over 100 sports training modes, whether you enjoy swimming, running, cycling, or any other form of physical activity, this waterproof smartwatch has what you need. The outdoor camping watch is also equipped with compass, altimeter, and barometer features, which are particularly useful for hikers, climbers, and backpackers.Long Battery Life & Multi-Function: The military smartwatch has an impressive 650mAh battery capacity with a standby time of 90 days. For GPS outdoor use, the sports watch can continuously provide 10 days of battery life, guaranteeing reliable performance throughout the work week. More Useful Features: Weather, Music Control, Camera Control, Stopwatch, Alarm, Stopwatch, Find Phone, etc.