Bluetooth Smart Programming​ Wirelessly connect to the official app to easily customize core controller parameters, with precise adjustments tailored to your needs.​ Exclusive Adaptation Design​ Only compatible with specific controller models. Please check the model before purchasing. Note: Not compatible with universal or second-hand controllers.​ Enhanced Riding Experience​ Go beyond factory settings and optimize as needed:​ Smooth acceleration​ Increased climbing power​ Speed boost within regulations​ Optimized energy consumption and range​ Easy Installation and Use​ Comes with video tutorials, plug-and-play connection to the programming port, and equipped with the latest stable version of the official app.​ Quality Assurance​ Produced by qualified manufacturers, strictly tested, with stable and durable performance.