Product Description Digital Jump Rope Counting Calorie Fitness Sport Weight-bearing Dual Skipping Ropes Workout Excercise Tool Material: ABS+wire rope Length: 3m Long Rope & 30cm Short Ropes (wireless) ，ball size 2.5cm Handle: 4 mode (Counter/CAL/KM/MIL), you can check all details in the same time. Description : √ DESIGN WITH DISPLAY SCREEN: High definition accurate digital display show your rope skipping quantity. It is accurate and easy to reset (Just press the botton). Assist you to burn calories, lost weight, beauty body and keep healthy The creative design allows you to change the mode between Rope Jump and Cordless jump. In cordless mode, you can enjoy the jump ｗｈｅｒｅver you want. Moreover, kids can use this cordless function to avoid to be tripped by the rope. The screen shows Counter/CAL/KM/MIL, including calories counter and jumping counter, so you can adjust to get a better calorie burning and get the target result. The jump rope is electronic calories count skipping, it can calculate the number of jumps and can show to consumer calories. EASY TO USE: The jump rope has a built-in counter on the right handle that helps you know how many jumps you need for each purpose such as lose weight, burn your calories, or body tone. You no longer need to count all the time it is accurate and easy to reset.