Smart APP Workout data tracking and analysis High quality health management Suitable weight and hardness for skipping Grasp skip time, total skip number, calories burned to reach fitness goal at any time. Free jump, Time countdown, Numbers countdown. Bipolar Hall sensors Accurate smart counting for every jumping data. Magnetic Handle Two magnetic handles can stick together Convenient for storage. Precision steel bearing High quality bearing is applied for silent mode and smooth operating. Adjustable PVC steel wire rope Can quickly adjust the length according to user's need.