Built-in GPS/GLONASS| Stylish 1.4''color display| 5 ATM water resistance 120+ watch faces/emoji support| Heart rate/sleep monitoring| Up to 9 days of battery life 1.4" TFT color touch display Supports automatic brightness adjustment. Everything you need to know on one screen. Handles both indoor and outdoor exercise Your own personal trainer 11 workout modes, 5 ATM water resistance up to 50m Precise dual satellite positioning system Explore endlessly With GPS+GLONASS positioning and multiple smart sensors, the watch can accurately track your trajectory, speed, distance and calories burnt. It can also measure any changes in heart rate, providing a clear picture of your workout status. Professional health monitoring Keep track of your physical condition Heart rate monitoring Equipped with a PPG sensor, the watch can accurately detect your heart rate 24 hours a day and notify you when your heart rate goes above normal levels. It can also save your resting heart rate data for 30 days to help monitor long-term heart rate changes.