Full HD Screen with Custom Dials: The 1.69" HD screen with a resolution of 280*320, the men's connected watch has a clearer and more resistant screen, the brightness is adjustable. Especially for direct sunlight, you can see the time clearly. The sports watch also allows you to customize the watch face as you like, you can download watch faces from the market or upload your photo as the watch face. Fitness Tracker Sport: As an outdoor activity tracker, it has 20 kinds of sports mode. It is also a pedometer which can accurately record your steps, calories and distance. You can set a daily plan on the phone, and the data is reserved in the Da Fit app for a long time. This tactical men's smartwatch is a great choice for outdoor activities or daily use. Health Monitor Watch: The men's smartwatch is equipped with a new optical sensor, which can monitor your heart rate, sleep quality and blood oxygen accurately. You can set the smartwatch for men to monitor your heart rate regularly for 24 hours, which will help you focus on your health. The all-night sleep monitor to remind you of the importance of a healthy lifestyle. 3ATM Waterproof with Large Capacity Battery: The waterproof men's smartwatch is qualified as 3ATM grade, which is dustproof and waterproof for activities such as swimming and sweaty sports. The sports smartwatch has a 350mAh battery, which has 50 days of standby time and 14 days of working time. The charging time is about 2 hours, so you don't need to charge it frequently. The tactical connected watch weighs 45g. Messages and Notifications: Compatible with Android 6.0 and iOS 9.0, the men's smartwatch fits most smartphones. Just download Da Fit and pair with phone via Bluetooth 5.0. The men's watch vibrates when SMS/SNS/App notifications are synced from your phone. Other functions like remote camera, music control, timer, stopwatch, alarm clock and weather forecast etc.