Heart Rate Monitor --- Get continuous, automatic, wrist-based heart rate and simplified heart rate zones
OLED Screen --- With OLED Screen Display, Hidden touch screen, Mini vibration alerts motor, See call notifications, daily stats and time of day.
Multi - Function --- SMS Reminding, Call Reminder, Incoming Calls Show, Reminders to move, Heart Rate Monitor
Auto sleep monitoring --- Accurate analysis of the sleeping quality , make you have a better understanding of the effects of sleep
Compatibility --- Samsung HTC Huawei Nokia Etc all kinds of smart device which have bluetooth function, Android 4.4, IOS 7.0 or newer os. Please refer the User Manual before use