Call and message notifications: You can receive text messages and SNS notifications (including Facebook, Twitter, WhatsApp and Instagram) directly on your wrist. When your phone's Bluetooth is turned on, if you receive a message, the watch will vibrate to remind you and you can view the specific message. This function is very practical whether in work or life. USB Charging: Remove the wristband and plug it into the USB-A port to charge the fitness tracker. You can plug it into the USB-A port of a computer or a regular charger to charge it. This fitness watch can last up to 5-7 days on a full charge. Working Time: Smart Fitness Watch is the best partner at work, you can set it on the mobile APP Runmefit: up to 5 sets of alarms, you dont have to worry about being late for appointments or forgetting important things. You can set drinking Water Reminders and Sedentary Reminders to establish a healthy way of working. Heart Rate Monitor and Sleep Tracker: Smart tracker can detect heart rate, blood pressure, blood oxygen, and body temperature in daily life. Monitor your sleep and analyze your sleep quality through Fall Sleep, Deep Sleep, Light Sleep, REM Sleep. You can view daily, weekly, and monthly data in the APP "Runmefit" to help you better understand your health status and lead a healthy lifestyle. 16 Sports Modes: This fitness tracker with 16 sports modes to track the corresponding exercise. It will record your workout time, heart rate, and distance. With ed GPS, it can record your workout route, and so on. (Achieved through APP positioning)