If the laptop you are using only has a usb interface, and does not have a ps/2 keyboard and mouse interface, a to ps/2 cable can solve your problem.Support windows98/98se/me/2000/xp and macos9.0/osx/linux, suitable for machines without ps2 interface.Plug and play, no need to install the driver for automatic identification.Supports hot swap, suitable for any computer and laptop.Application range: One usb transfers to two ps/2, which can be connected to ps/2 keyboard and mouse at the same time, and can be used in bios.Name: AdapterColor: as shownnotes:1. Due to manual measurement, please allow 1-2cm difference.2. Due to the computer screen, the real color may be slightly different from the picture, please understand, thank you.Only the main product is sold, other decorations are not sold.include:1*adapterMicrophones