Tangram\'s Rookie Smart Rope helps make your cardio workout even more effective. Automatically recording your exercise data via the Smartphone app, it accurately records each complete revolution of the rope as a complete jump, as well as monitoring calories burned and workout times. The app offers interval training recommendations and keeps you motivated by unlocking awards and supporting competition with friends. In addition, you can sync it with Apple HealthKit and Google Fitness to help provide an even more accurate picture of your overall well-being.. Accurate Sensors. The magnetic sensors in the handle ensure accurate jump counts, and it can be used permanently without limit of the lifetime.. Freely adjustable rope length. The SmartRope Rookie rope is completely and easily adjustable, and will fit almost everyone. The rope itself is light, durable, and smooth, making sure you can jump fast with ease.. Soft and firm texture. The high-quality finish and the weight of the handles make sure they fit comfortably in the palms of your hands, with minimal danger of slipping.. Soft alloy ball bearing. Two sets of metal alloy ball bearings in each handle ensure that every jump with the Smart Rope is smooth and effortless, making your exercise even better than before.. Dimensions: H15 x W2.8 x L300cm