24 hours Activity Tracking: it will accurate record your activities, including the distance you run, Calorie consumption, time for activities, let you easy, relax and enjoy your sporting time. Real-time recording: A full range of sleep data, you can easy to know your sleep quality and improve some bad in time. Calorie Counter, A Detailed data about the Fat Burning will encourage you keep sporting, better to assist you keep fit. Smart Reminder: In-call reminder,wake up alarm, etc. Power consumption: about 3-4 days normal use and one week standby.