Buy with confidence!!! Calling and Information Notification: Smart watch with a built-in HD speaker, when connected to your smartphone, you can directly use the smartwatch to make calls and read notifications from facebook, whatsApp, instagram, twitter and other apps HD Touch Screen: Smart watch for men women use 1.85-inch high-contrast and fast-response TFT LCD screens. "Da Fit" app offers over 210 dials to choose from. You can also choose a favourite photo for the wallpaper of your smartwatch 24-Hour Health Monitoring: Fitness Tracker Watch uses advanced sensors and "gomore" smart algorithms to monitor heart rate/sleep status throughout the day and provides comprehensive sleep quality analysis to understand your sleep status 120+ Sports Modes: Sports watch supports a variety of exercise modes, including running, cycling, walking, yoga, football and so on. During exercise, sports tracker will record your data, such as steps, calories burned and so on, meet any sports needs IP68 Waterproof: Fitness watch has IP68 waterproof rating, so you don't have to worry about the normal use of the watch even when you are swimming, washing your hands or exercising in the rain Note: High water temperatures can affect water resistance Multifunctional: Smart watches for men has multiple functions such as timer, stopwatch, alarm clock, find mobile phone, sedentary reminder, music control, weather forecast, no-disturb mode, brightness adjustment, photo control, female cycle tracking Long Battery Life: Compatible with most Android 6.0 and iOS 9.0 or later smartphones, this sports tracker has a large built-in 350 mAh battery that ensures up to 7 days of use and about 30 days of standby time with just 2 hours of charging