Intelligent Fitness Exercise Ring Adjustable Waist Abdomen Slimming Massage Hula Ring Condition: 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.