-Convert one USB to two PS/2, which can be connected to PS/2 keyboard and mouse at the same time, which can be used in BIOS.

-Cable adapter allows PS/2 keyboard and PS/2 mouse to plug into any USB port

-Support USB interface version 1.0 / 1.1 / 2.0

-Plug and play with any USB port. No driver needed

Connectivity:

-Connector USB Type A (M x 1)

-Connector PS/2 Keyboard (F x 1), Purple

-Connector PS/2 Mouse (F x 1), Green

-Support windows98/98SE/ME/2000/XP and MacOS9.0/OSX/Linux

-Practical for both home and office use

-Lightweight and easy to carry

Package Includes:

2 * PS/2 to USB Adapter

If the laptop you are using only has a USB interface and does not have a PS/2 keyboard and mouse interface, but you need to use a PS/2 interface keyboard or mouse, a USB to PS/2 cable can solve your actual problem.
It is the best solution to use your old PS/2 mice and keyboard, which also saves the USB port, since the USB ports are limited. It is also suitable for computers that have broken a PS/2 interface.
It is the best solution to use your old PS/2 mice and keyboard, which also saves the USB port, since the USB ports are limited.
The USB to PS2 adapter supports bus-power meaning no power adapter is needed, no software or special drivers are required.
This can be particularly useful if you have a specialty keyboard or mouse device and a PC without PS2 ports.