24 hours PER SECOND sustained heart rate monitoring–UPGRADED fitness tracker can support 24 hours per second to monitor your heart rate, different from the past monitoring per hour; Monitoring your heart rate to help you do exercise scientifically and help you get a better understanding of your fitness level.
IP68 waterproof grade–This smart band can be used for washing, showering, swimming, and even diving underwater 60 meters; You do not need to take it off while doing these activities.
Sleep monitor–Synchronize your sleep time every night and analyze your sleep quality by the sleep trend graphs; Accurately monitor total effective sleeping time and motions every night, you can better understand your sleeping quality.
Multi functions –Pedometer, Calories, Distance, Heart Rate Monitor, Sleep quality measurement, Call reminder, Alarm clock, Search bracelet and so on, these amazing features are available, do not hesitate; App is more comprehensive, now it is updated version. Besides, it is with high quality comfortable and fashion strap.
Wide compatibility & Long-lasting battery–Full charge requires only 1-2 hours and the standby time can be up to 5-8 days with full power. App supports most smart phones with Bluetooth 4.0 or above. Support system: iOS 8.4 or above.