📞【Watch Bluetooth 2-in-1】Smart watch adopts BLE 5.0 version, the connection is fast and stable. Through the APP connection, you can easily answer and make calls. The built-in Bluetooth headset on the side of the watch can be removed to listen to music. You can receive text messages and APP notifications on the watch. The call function can be used in driving, sports and other places, freeing your hands and bringing convenience to your life. ⌚【Personalized HD Watch】The fitness watch adopts a 1.3-inch touch screen with 240*240 high-definition resolution, higher color saturation, sharper picture quality, and better visual impact. A variety of dials, a variety of aesthetics, can be used in any combination. 🏃【Activity Tracker with Multiple Sports Modes】Smart fitness watch covers 20 sports modes: running, climbing, cycling, football and more. These can meet your daily exercise needs. It also has IP67 waterproof, stopwatch function. Help you better achieve your training goals. Turn on your phone's GPS and track your workouts and pace. The activity tracker can accurately record calories, distance, steps and exercise time to help you exercise scientifically and achieve your fitness goals. 💗【Spend a better life with you】Heart rate Monitor your heart health with a smart watch, you will have a better understanding of how your heart rate changes from day to night. Automatically track nighttime sleep (deep sleep, light sleep, rapid eye movement, awake), comprehensively analyze your sleep quality, help you establish regular sleep habits, adjust habits, and achieve a healthier lifestyle. (Data are for informational purposes only, not for medical purposes). 🔔【Compatibility】. This men's smart watch is compatible with Android 4.4 or iOS 8.4 or later, Bluetooth BLE 5.0 calls Bluetooth BLE 3.0, 260mAh lithium polymer battery, charging only takes 2.5 hours, battery life is about 3-7 days, standby time is about 7 -15 days (depending on usage and frequency).