The Sunny Health & Fitness Digital Jump Rope is designed using resilient, vinyl material for optimal speed. The anti-slip grip handles provide full motion control so you can focus on your workout. Convenient LCD screen keeps a precise record of your workout: clock keeps accurate time, timer lets you set your workout time, count-mechanism keeps track of your jumps, calorie counter keeps a precise record of your burned calories, and fat percentage mode tracks the amount of fat reduced. The Rotator Swivel Action Head keeps a precise record of your jumps and ensures optimal control for jumping forward, backward, and crisscross. Our Digital Jump Rope is a great product to simultaneously strengthen your upper and lower-body for an effective and efficient exercise session.