describe: [2 Modes] - Jump Rope supports both rope and cordless modes. You can exercise indoors and outdoors, our cordless balls are longer than other products. It has 13+ inches, allowing you to have a better jumping experience. [Smart Counter] - It can record your weight, cycle counter, time and calories burned. You can also set training laps or time as goals. Jump rope will remind you when you reach your goal. At the same time, the counter is equipped with a reminder light, allowing you to record your movement normally even in a dark environment. [Well-Designed Handles] - High quality handles increase the load, both handles weigh 0.4 lbs, allowing you to consume more while exercising. The metal bearing of the handle makes the rope smoother and you can jump faster and more efficiently than the movement. The handle is equipped with anti-slip treatment for more comfortable grip [Adjustable Design] - The skipping rope can be adjusted freely, whether it is adults or children, it can be used for exercise, whether it is fitness, weight loss, boxing training, you can use the skipping rope for training. [Hope you like it] - We come with a product manual, please read it carefully before use. We offer a 12-month warranty, if you have any questions, please contact us. Specification: bodybuilding lose weight boxing training Package Included: Load handle*2 (handle with digital counter*1, handle without digital counter*1) Rope*1 Cordless ball*2 Storage bag*1 Backup battery*1 Screwdriver (for battery replacement)*1 Manual *1