Including matching color keyboard cover to protect your keyboard against spills. 2 pack USB C to USB adapter plug the adapter USB Type-C end into laptop USB-C port, then connect another female USB 3.0 port to standard USB-A device, such as, mouse, keyboard, SSD and flash. Friendly Note: Please kindly check the model number "A2xxx" on the back of the laptop before your purchase. Make sure you choose the exact same model number as the listing title stated "A2991" or "A2780" or "A2485".