LAXWIN JR011 Adjustable Calorie Jump Rope With Jump Counter, Electronic Counting Jump Skipping Rope-Best Exercise For Weight-Loss & Heart Health (Genuine Product Must With Special LOGO) Intelligent-jump has five modes, each mode has an icon to show. Adjustable Length ,one size fits all. Jump Rope with Counter - Perfect for All Experience Levels, Exercise, Cardio, Workout and Fitness. With Calorie and Jump LCD Counter,also can show you how long you jogging. Non-slip handle are designed to reduce hand fatigue during longer workouts. lightweight design, extremely endurable plastic.