Simtyso USB Type A Male to PS2 Female Cable Adapter connect Keyboard and Mouse Pack of 5 Compliant with the Standard Specification of USB 1.0 and 1.1 Converts two PS/2 devices (Keyboard and Mouse) to the USB Interface Converts the PC PS/2 port of KVM switch to USB port (PC or SUN platforms) Supports standard PS/2 Mouse and Microsoft Intell-Mouse Supports Bus-Power meaning no power adapter is needed