product description 1.PowerfulOne of the handles is equipped with a backlit LCD screen and four buttons, you can press the ON button to open, and long press for a while to close. W is your weight, L is a lap counter, T is a timer, and C is your calories burned. Before use, you can press the SET button to record your weight, and use the UP and DN buttons to set your target lap or exercise countdown. Of course, if you don't want to set a goal, it records laps and times automatically. 2.Accurate CounterNever count your jumps again Smart counter will help you count jumps, training time and calories burned. Note that your weight needs to be entered to ensure accurate data output. And, it also reminds you if you set a workout goal and hit it. 3.Rope Mode and Cordless ModeIn rope mode, you can easily adjust the length of the skipping rope according to your height. In cordless mode, you can use 2 cordless balls, allowing you to do cordless jumps at home or in tight spaces, and you don't have to worry about hurting people while jumping. 4.Adjustable Ropes and Durable Cables The ropes are adjustable to suit the height, so you can enjoy jumping whether you are an adult or a child. It is recommended to try different lengths until you find the right one. The rope is also durable as it is made of tight steel wire inside and coated with solid PVC and can be used on different surfaces such as concrete, wood and tile.