Sports Jump Rope Cordless Jump Rope with Counter Fitness Jump Rope 4 in 1 Speed Jump Rope-Sports Jump Rope Cordless Jump Rope with Counter Fitness Jump Rope 4 in 1 Speed Jump Rope-Description Ball diameter: 32.5 mm [Fitness Jump Rope with Counter] - This jump rope has a built-in digital counter; an LED screen displays kilometers, miles, time, calories burned, etc. You can save time for better results. Additionally, the weighted ball is designed to better meet your training needs. [Jump Rope] - The new wireless mode simulates the feeling of jumping rope. It's suitable for full-body exercise, both indoors and outdoors, without worrying about collisions, noise, or other issues. With it, you can work out calmly in the morning. [Anti-Twist Metal Cable Jump Rope] Both handles are equipped with high-quality 360-degree bearings. The jump ropes are made of durable PVC. The built-in metal cable can withstand heavy loads, resist bending, and can be twisted like other jump ropes, preventing tangling. It twists easily and is quick and easy to use. Stable. Brings you a great jump rope experience. [Non-slip handle] The jump rope handle is equipped with silicone particles, providing a non-slip massage and a comfortable grip. For improved wrist strength, as well as for your legs, torso, arms, heart, and mind, this is a very compact cardio and strength training device.