An 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.
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.
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.
Full charge requires only 2 hours and the standby time can be up to 5-7 days with full power. The app supports most smartphones with Bluetooth 4.0 or above. Support system: iOS 8.4 or above, Android 4.4 or above.