A. Activation of Bluetooth dashboard control panel for Ninebot Segway ES1/ES2/ES3/ES4 scooters. The product will be shipped according to the color or size shown in the main picture on the product page. B. This scooter's Bluetooth dashboard has good compatibility and can directly replace the control panels of Ninebot ES1, ES2, and ES4 electric scooters. It is easy to install and can be used directly without activating the control panel, making it convenient to use. C. It can control speed, the Bluetooth module, coordinate components, and conduct safety monitoring. It is a centralized control panel. It is designed with an external battery connector, which can be used to replace worn or damaged control panels. D. The shell is made of metal material, which can protect the internal components and make them durable. E. Specifications: - Material: Metal. - Color: As shown in the picture. - Size: As shown in the picture. F. Compatibility: Suitable for Ninebot Segway ES1/ES2/ES3/ES4. G. Precautions: - Due to different computer resolutions, there may be slight color distortion. - Due to measurement differences by hand, there may be slight errors. H. Package contents: 1 scooter control panel.