Yes, according to the inquiry, there is a doctor's network display. Some "juggling gadgets" with no practical value. The same characteristics of this kind of equipment are to meet some urgent psychology of consumers, to meet their needs, low price, small floor space, attractive gimmicks, incomplete or unclear functions, and sweating when using, but they can never achieve the purposes of "systematic training" and "sustainable development". At best, it's an activity. All kinds of high-tech "IQ tax" products known as "thin belly exercises abdominal muscles" (a strong TV shopping trend, some professional fitness models are usually invited to shoot, and people's thinking inertia is used to subconsciously think that it is precisely because TA uses this equipment that she is so fit, but there is no causal relationship. Include a wave velocity sphere. Wave speed ball is a special instrument in multifunctional training, which can only accelerate the metabolism of the body, promote blood circulation, burn body fat and achieve the effect of assisting weight loss. But losing weight also requires long-term exercise and diet control.