The OEM Asus X540 X540L X540LA X540S X540SA 19V Laptop Power AC Adapter Charger is a high-quality power adapter designed specifically for ASUS laptops. It features a black color and has a voltage of 19V with an output current of 2.1A. This AC/Standard adapter comes with a power cord included, making it convenient for use. The product is compatible with various ASUS laptop models and is guaranteed to provide reliable power supply for your device.