The purpose of the design is to change the shape and use of the dumbbell for a long time, and to combine it with the technology of the front end and to make it easier for people to use, to create a revolutionary and intelligent product. The most important function of the dumbbell is the action tracking, and then the vibration and the light are used to remind the effect, and the vibration frequency is not large, so as to avoid the user from being injured. The weight of the weight is reflected by the color of the light in the right side of the dumbbell. The blue color is lighter, the orange color is heavier, and the red color is the vibration of the dumbbell grip, indicating that the use is wrong. The wireless charging base and the simple packaging of the dumbbells, the wireless charging base is equipped with a power display, a USB interface, and a storage slot on the back that can accommodate dumbbell weights (there are also ejection functions and light strip display).