call notification.Built-in 3D acceleration sensor with high sensitivity, can catch your each small action, making more accurate pedometer.It can trace your burning calories, movement steps, movement distance, also could set and inquire the complete of moving goal.With Temperature Display Function, easy for the users to know the environment temperature which he/she stayed in.With the function of exercise date memory, Intelligent sleeping monitoring, easy for the users to know or improve the sleeping quality.USB rechargeable watch, built-in rechargeable battery, it could be charging and data exchanging by connecting the computer.Waterproof(not OK for swimming), Small and light body, Simple and Fashionable, Design of Circular arc for wrist, more comfortable to wear.