This is a genuine Microsoft Surface Dock and AC Adapter model 1661 and 1749 that has been previously used. The docking station is compatible with Surface devices and comes in black colour. It includes various ports for connecting multiple peripherals and charging your device. The item is sold as per the photos. It is perfect for those who need to expand their Surface device's capabilities and enhance their workflow. Please refer to the provided aspects and categories to ensure compatibility with your device and needs.