The SmartDrive MX2+ PushTracker provides even more information and individualization of the SmartDrive MX2+ Use it to customize the SmartDrive performance you like best by changing the mode of operation, tap sensitivity, top speed and more.Now with the added features of the PushTracker Activity Monitor and its FREE Smartphone App, in addition to controlling your SmartDrive MX2+  you can track day-to-day propulsion metrics—including push count, coast time and more. They all seamlessly connect with one another to give a complete picture of mobility activity, helping to monitor daily habits, reduce risk for injury and ultimately improve your quality of life!