Long Battery Life and Multifunctional: With a large 300mAh battery, the smart watch for men will stay with you for longer, charging for 2 hours and using for 5-7 days. Ideal for all-day wear, whether youre at the gym, outdoors, or simply on the go. This fitness tracker watch contains more practical functions, fitness watch (pedometer, calories, activity distance), women's health, breathing training, stopwatch, timer, music control, camera control, weather forecast, sedentary reminder, calculator, calendar, alarm clock, find phone, flashlight, etc.