Professional e-sport jump rope: The two-rope setup allows you to switch between jumping without a rope and jumping with this skipping rope. The wireless ball has a built-in steel ball, which will not make you feel too light, even in a narrow indoor space, you can use the wireless mode to achieve sports effects without collision, noise and other problems. Comfortable Ergonomic Design: The length of the speed skipping rope is adjustable. The handle is designed with non-slip silicone particles. In addition, we provide a pair of detachable weight bars which can be installed on the handle to exercise your wrist strength and enhance the effect of exercise. The jump rope is made of high strength steel wire and covered with strong PVC material to make the rope more durable. Smart LED counter and timer: The high-definition LED display on the handle of the crossfit jump rope shows weight, timer, laps and calories. Burn calories for fitness effects. Besides, you can also set a time reminder or lap reminder to get your target workout settings. High quality, lightweight and portable ball bearings: Both handles use ball bearings. High quality 360 balls, designed to be faster than other skipping ropes, no tangles, fast and stable, and no jams, allowing you to progress better. The best gift for the family and children: exquisite packaging is the best choice for your own use or as a gift. Best wishes to you and your family. Easy to use counter W (weight): set your weight in kilograms (largest group: 120 kg, the smallest: 20 kg); T (timer): set a timer between 1 and 60 minutes; L (loop): the number of jumps (0-9999); C (calories): accurately calculates calories burned (0-999) Ideal for indoors and outdoors Thanks to the new wireless mode, you can turn your home into a gym; The jump rope is small in size and light, making it a good equipment for indoor and outdoor aerobic exercise. Skipping rope is one of the best exercises for burning a lot of calories in a short period of time. Strengthens heart and muscles, burns calories and strengthens bones, promotes a healthy weight, improves focus and develops agility, balance, coordination, timing and rhythm. System 360 ball bearing Compared to other skipping ropes, the addition of 360 ball bearings to both handles is faster, has less resistance, does not tangle and does not get stuck. Durable steel rope - the skipping rope adopts steel wire core and is covered with strong PVC material. Non-slip silicone grip - the handle is covered with non-slip, non-slip, massage and comfortable silicone particles. Package size: 21.5cm x 15.6cm x 4cm Shipping Quantity: 1 piece