With the development of mobile wearable devices, the smart bracelet is favored by consumers. They use the smart bracelet and test the health index, which also reflects the functional diversity of the smart bracelet. The smart bracelet has a lot of functions. Now some smart hand ring manufacturers have started to install GPS function, and GPS positioning will be realized in our life. So will the smart bracelet install GPS become a new trend? For GPS tracking problems, mini GPS jammer for car
are needed to stop the problem.