M4- Pro- M4 Smart band Fitness Tracker Watch Sport

All-day activity tracking: steps, calories burned, mileage, and heart rate.
Smart reminder:call reminder, messaging push, sedentary reminder.
More features: phone search, remote camera shoot, stop watch.
Continuous heart rate monitor:Continuous, automatic heart rate .
0.96″ TFT color touch screen:HD screen, easy to read all fitness data.
Customizable clock faces
Compatible with Android 4.4 and above system, ios 8.0 and above.
smart band support language ： English