· A hula hoop that runs on a fixed track has a significant effect on weight loss, and long-term use can make your belly very slim
Technical specs：
· Material:ABS · Color:Black/Purple/Black+Pink · Battery model: AG10, button battery *2 (a battery has a capacity of 50) · Hula hoop battery model: AG10, button battery *2 (a battery has a capacity of 50) · Smart hula hoop black: 4 sections long + 4 sections short · The maximum outer diameter is 36.5cm and the inner diameter is 31cm · The minimum outer diameter is 33cm and the inner diameter is 27cm
Instructions：
·Put it on your abdomen and move it around. It can also count automatically
Notes：
· This product is very powerful, please use it according to your own needs！
