Jump Rope with Smart Counter: Designed with HD LED display, which shows Timer, Weight, Calorie and Circles. It will record the number of circles you jump and show the calories been burn. Simply set your weight and workout to reach your fitness goal at any time Built-in Quality Steel Ball Bearing: These jump ropes built-in high-quality ball bearings to provide a smooth exercise experience. It will avoid twisting, winding, or bending and ensure fast and stable rotation. It can bear a heavy load and brings your a perfect exercise Durable and Adjustable Length Steel Rope: Durable steel rope protected by premium PVC sheathing to avoid cracking or breaking. This rope is built to last. This jump rope is adjustable and can be adjusted quickly according to your height. Suitable for both adults and children Fitness Jump Rope: Rope jumping not only helps to burn calories, but can also shape your cardio endurance, stamina, and speed while improving the muscle tension of your whole body. A great choice for boxing, MMA, and cross-training. Great for both indoor and outdoor workouts Maximum Comfort: This fitness jump rope designed with ergonomic non-slip handles for optimal and comfortable grip. Breathable soft foam padding to maximum comfort handing. please contact us at anytime if there?s any problem of the products Jump Rope