The jump rope is lightweight and can be used indoors and outdoors without being hindered by the rope to perform traditional jumping movements. The rope's handle is made of PVC plastic with friction particles and a strong grip. The rope is made of PVC + steel wire to withstand a wide range of rotation speeds and friction. Tangle-free and fast, the built-in steel jump rope remains tangle-free throughout the jump, and ball bearings in the grip make you move quickly. Easy to adjust, two modes, can be linked to a long jump rope or become a cordless jump rope, can be changed to fit the height of you and your child, extra rope can also be stored at the end of the handle. Indoor jump rope ball, with the jump rope ball you can also exercise freely indoors, safe and comfortable, without lifting space, without restrictions anytime, anywhere. LED high-definition counting display, sensitive and reliable oxygen feedback, records every movement you make. Suitable for training: Fast jumping is highly recommended for the following people who want to do aerobic exercise, HIIT training, beach training, and lose weight. This is an excellent rope for beginners. Name: Cordless/Corded Jump Rope (switchable). Material: PP+Pvc+Steel Wire. Rope: 4.3mm*30cm.