&#9758PRECISION BEARINGS FOR SMOOTHER MOVEMENT: - Our LCD display cordless jump rope uses ball bearings made of stainless steel to ensure stable and 0-resistance rotation, avoiding twisting, tangling or bending during exercise, providing you with a smooth experience like a elite fitness professionals. &#9758PVC EMBEDDED STEEL WIRE TO IMPROVE DURABILITY: - The rope of the jump rope for fitness is made of high-strength braided steel wire and wrapped with strong PVC material, which can maintain a stable skipping rhythm even after long-term exercise. The strength of the steel wire rope is 10 times that of ordinary PVC rope, and it is more durable, no need for frequent replacement, saving your money. &#9758SMART CHIP FOR REAL-TIME TRACKING OF EXERCISE DATA: - The chip of the tangle-free skipping rope has a built-in sensitive and accurate Hall sensor, which can correctly calculate the data of each jump to ensure the accuracy of the data. You can easily analyze and track of the workout data in real time, allowing you to keep track of your jumps, calories burned and miles to reach your fitness goals. Low power consumption lasts longer. &#9758MULTI-SPORT MODE FITS FOR DIFFERENT GROUPS OF PEOPLE: - Extra add cordless balls, which can be used even in small spaces, and avoid making excessive noise. The speed jump rope for exercise is great for women, men, kids, and skippers of all ages and levels. You can start rope jumping anytime, anywhere and enjoy the fun of sports.