1. watch size:255*22*9mm
2. weight:26g/piece,55g/set
3.Step counter(record mileage and number of steps,view the current training situation and remaining unfinished step number).
4.Calculate calories(can accurately monitor your calorie consumption , accurate measurement of your every tiny movement) 
5.Data cloud services(connect the phone or computer can transmit data after the end of the exercise , allowing you to manage your campaign data anytime, anywhere)                                     6.Temperature display(- 10 ℃ to 50 ℃)
7.Time/date  display                                      
8.USB charging watches,the built-in rechargeable battery, can be connected to the computer USB port data exchange and charging.                        
9.Sleep Monitoring(Intelligent monitoring to sleep at night, Up in the morning can see sleep last night).