It is useful for all the people to keep fit.Features:Lightweight and portable， you can exercise yourself anytime and anywhere.The rope length can be adjusted.Don't feel any pain when the ball touch your body.With the display LCD， you can clearly read the jumping number， the calories you burn and the fat you reduce. It can make a lot of fun and keep fit for players of all ages.Specifications:Material: ABS & PVC & EVAColor: pink，greenBattery: 1 * AG13Rope Length: 23.5cm / 9.25inPackage List:1 * wireless Jump Rope1 * 3m rope