Tactical SmartWatch V3 HR Color:4PCs Red Thickness: normal thickness

Thickness: normal thickness

Product size: 13x5

1*Hat Product Image:

double electric version

The 1-3 cm error is a normal pattern

Tactical SmartWatch V3 HR Color:4PCs Red Thickness: normal thicknessFeatures Test a runner with the data By using inbuilt 3D accelerometer, track your current speed and distance, allowing you to look up speed and distance even in indoors motion (such as treadmill running ). *The data accuracy will be affected by factors such as using habit, motion range of different persons. Develop your full potential,discover a better you Calories calculation is based on heart rate and physical information. You can look up not only