Feature: 1. Magnet massage board, you can massage with magnet while exercising. 2. The LCD electronic counter can accurately record the number of exercises, grasp the exercise scale, and slim waist easily and healthily. 3. Adjustable waist belt, it can be adjusted according to the waist size without falling off. 4. ABS material, light and slick, skin‑friendly and comfortable. 5. Sliding gravity hammer, strengthen the exercise intensities, massage the muscles of different parts of the waist, and accelerate the fat consumption. Specification: Condition: 100% Brand New Item Type: Intelligent Hula Ring Material: ABS Color: Black Battery Type: Button Battery Number of Batteries: 2pcs Battery Model: AG10 Battery Capacity: 50mAh x 2 Applicable People: Unisex Suitable Waist Circumference: Approx. 60-108cm / 23.6-42.5in Features: Fixed anti-dropping, adjustable waist circumference, electronic technology, floating massage, ABS material, add pounds, free disassembly, 360 degree flexible roller. Features: Tighten waist and hip muscles; Exercise waist fat; Increase leg elasticity; Create beautiful waist and hips. Installation Steps: 1. Open the package; 2. The way of opening the main belt: push the buckle back, and lift the other end up to open; 3. Install the massage board, the threads of the oval massage board are aligned and tightened, which can be fine-tuned according to the waist size; 4. Install the gravity hammer with the protrusion of the weight hammer facing upwards and the screw holes facing downwards, aligned with the outer track of the main slideway; 5. Close, push the buckle back, and press the other end down against the buckle, release the buckle and it will jam forward; 6. The extra track extension belt can be split into 2 sections, which can be adjusted according to the waist size of the person. Note: 1. The main belt has been installed, please do not remove the screws, the auxiliary belt is composed of small sections and can be adjusted in size; 2. The protruding surface of the weight hammer faces upwards, on the contrary, the counter does not count if it is displayed; 3. Open, take the hammer, and remove; 4. Put it on the waist below the navel, don't wear it too tight, just keep it on.. Package List: 1 x Pendulum Bob1 x Stretchable Massage Board1 x Main Belt2 x Spare Extended Belt Note: 1. It takes 1‑2 days to practice using this product for the first time;2. Do not let children use;3. This product cannot be disassembled and modified by yourself;4. Do not insert fingers or other objects during use to avoid injury;5. Please use original accessories;6. During use, if any abnormal phenomena or malfunction is found, please stop using it immediately and contact the dealer in time.