【Upgraded Adjustable Exercise Intensity】High quality ABS material, soft gravity ball, inertial slide, make fitness easier. And different from the ordinary smart hoop, the user can change the number of weight-bearing blocks in the weight ball according to their own bearing capacity, and thus change their exercise intensity (1 to 4 weight-bearing blocks can be placed, each about 60g). At the same time, the intensity of exercise can be changed by adjusting the length of the rope.【Non-Falling / 2 in 1 fitness massage】This smart hoola hula hoop rotates automatically to help you exercise sweat while providing a refreshing and comfortable massage during exercise without drop or stop and is perfect for skill level training.【Silent Bearing, Comfortable Your Movement】3 set upgraded 360-degree silent rollers can even and flexible rotate, so that the noise is smaller and the rotation is more stable. All-Round Thin 360 Degree Body: the intelligent hoop burns fat three times faster than a normal hoop. With this comfortable experience, we recommend that you exercise for 30 minutes a day for 5 days; then you can burn up to 800 calories each time!【Removable Design】It consists of 24 detachable parts of the intelligent hoop, which can be disassembled by pressing a button. You can choose your own hoola hoop according to your waist circumference. The hoola hoop can be adjusted to 15 to 24 parts according to the waist circumference. Fit your belly in all directions, so that every part of you can fully feel the burning of fat.【Applicable people and attentions】Almost suitable for all adults and kids but not the elderly or baby. Whether at home or outdoors, you can exercise at any time. Before exercising, ensure the hoola linking done and wear the close-fitting clothes; When exercising, pay attention to the swing range of the weight ball to avoid touching others or the furnitures. At the same time, it should not be too heavy when it is used for the first time.