The product is a genuine HP 14-ep0524sa 14" Laptop adapter with a 19.5V 2.31A output, designed specifically for the HP Probook 640 G4 Laptop. It comes in a sleek black color and includes a power cable. The adapter has a max output power of 45.0W and is backed by a 1-year manufacturer warranty. With its compatibility with the i5 13th Gen laptops, this AC adapter is a reliable and efficient accessory for your HP laptop needs in China.