This skipping rope can be used for very fast exercise and can be used on any surface, making it great for working out anywhere. The ergonomic handles give you better grip and the high quality ball bearings help you build up speed and comfort during exercise. The rope is adjustable to suit you whatever your height and the counter will tell you how many rotations you've done and how many calories you've burned. 300cm long skipping rope. Batteries required: 1 x CR2032. Adjustable to suit your height and includes counter to tell you number of rotations and calories burned.