Simple and easy to use: Compared with the traditional hula hoop, the smart hula hoop is easier to use and will not fall. It can be used by both children and adults, thus solving the problem that beginners will not use. The dexterous hula hoop has a massage function, which can relieve the labor pain in the lower back. 2 in 1 fitness and massage: Smart hula hoop can quickly consume body fat and eliminate fatigue; you will get the ideal figure. The 360° massage ring can exercise the waist and abdomen, reducing the discomfort of sitting on the waist and abdomen for a long time. Easy to use : Smart Weighted Fitness Hoop is simple and easy to use. It can also be used easily for Weighted Fitness Hoops for adult beginners. Compared with a traditional Weighted Fitness Hoop, the smart Weighted Fitness Hoop will not drop, which solves the problem that beginners will not use. Smart Weighted Fitness Hoop has a Massage function to relieve labor pain in the waist. The size can be adjusted at will: it consists of 24 parts, and the interface is buckled. It can be split and reorganized to adjust the waist until it fits the hula hoop. It is easy to snap and separate, easy to store and save space. The maximum waist is 132 cm/51.96 inches.