1. The product adopts two-way magnetic control technology, which can accurately calculate fat burning calories. At the same time, it can be displayed in high-definition and ring to remind, so that users can better grasp their fitness status. 2. The product provides two ways of use, corded and cordless, and users can switch freely according to their preferences and needs, which increases the flexibility and practicability of the product. The rope is made of transparent PVC with a diameter of 5mm, which is comfortable to touch and has good anti-skid performance. 3. The product weight adjustment and rope length adjustment functions allow users to make personalized adjustments according to their physical conditions and needs, making fitness more personalized. 4. Silicone handle design, comfortable grip and better hand feeling, making users more comfortable during exercise. The ABS material is safe and durable, so you can use it with confidence. 5. The product has a built-in 115g solid 12*65MM load-bearing steel bar, which is designed with a bearing to rotate the head, so that it does not freeze during the movement and the speed is smoother. The ball is made of silica gel, and the size of the ball is 32.5 mm, which is comfortable to touch and more convenient to use.