Fitness Activity Tracker : This Smart Watch will accurately record your all-day activities such as steps, distance traveled, calories burned, active minutes and sleep status. 14 exercise modes available for you to better understand specific activity data.. Heart Rate & Sleep Monitor : The fitness tracker offers you accurate and effective heart rate monitoring; automatically tracks sleep duration & consistency, analyzing your sleep quality with deep sleep, light sleep and awake time, and then helping you adjust yourself for a healthier lifestyle.. Never Miss Call&Message : With the smart band, you can receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on its display; never miss important calls & messages again.. Convenience and Easy Highly sensitive touch screen, support single side touch and full touch. Control gesture, rotate the wrist, and the screen turns on. it Charging directly by USB connection, can be connected directly to the USB port of the laptop. Intelligent Anti-Perspective: It automatically checks the connection between the band and the phone. There is an alarm if the device may be lost.. Friendly Notes Maximum Calculate the precision heart rate from the PPG sensor, like All HR Monitoring ,Accuracy is affected by Physiology, movements. IP67 waterproof is mean it can be worn to take shower BUT NO SWIMMING.