We've re-engineered our patented jump rope. Track how many times you've jumped, how much time you have spent jump roping, and how many calories burnt. Track everything! GREAT RESULTS, LESS TIME A jump rope fitness workout is one of the most efficient calorie-burning workouts you can do. Burn over 1,000 calories in an hour of jumping compared to other common activities. CARDIO ANYWHERE, ANYTIME Very portable and can be used anywhere and anytime. FULLY ADJUSTABLE Feed rope through hole at the end of handle. Insert and pull rope back through the adjacent handle hole. Pull to tighten. WORKOUT FROM HOME FULL BODY WORKOUT INCREASED AGILITY INCREASED BALANCE BETTER FOR YOUR KNEES THAN RUNNING We truly believe we make some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 45 day guarantee. If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase. Buying items online can be a daunting task, so we want you to realize that there is absolute ZERO risk in buying something and trying it out. If you don't like it, no hard feelings we'll make it right. We have 24/7/365 Ticket and Email Support. Please contact us if you need assistance. Remember: Shipping usually takes 2-3 weeks read our Shipping for more details!