Top-Longer USB Male to PS/2 Female Converter Cable Cord Converter Active Adapter PS2 Keyboard Mouse Cable Converts dual PS/2 devices (Keyboard & Mouse) to 1 USB port. Supports both UHCI and OHCI specifications. Supports computer USB interface to PS/2 port of KVM Switch. Compatible with most USB KVM Switches. The USB to PS2 Converter let you connect a PS2 mouse and a keyboard to one USB port on any PC & Laptop. 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.