✪ USEFUL.When connect to laptop Mouse etc.The adapter connected old mechanical keyboard with ease.Perfect for continuing to use old keyboards and mice.The USB to PS2 Converter is the best solution for those who want to use old PS2 devices on new USB systems.USB to PS/2 adaptor help to use your older PS/2 keyboard and mouse with your laptop. Just what I you needed. | ✪ HIGH COMPATIBILITY.The adapter compliant to USB HID Specification and support Windows 98SE, ME, 2000, XP, Netware4.11 or above, HP Unix, Linux,SUN,Mac OS 8.6 or higher operating system. USB 1.0 / 1.1 / 2.0 versions compliant. | ✪ DECENT BUILD QUALITY. High quality chipset built in it.The outer blue plastic covering is solid.Nickel-plated usb plug have good conductivity and enhance the stability of signal transmission. | ✪ SAVE MONEY AND CONVENIENCE.Old PS/2 keyboard and mouse with circular type pins are not supported on newer laptops and computers. Please do not throw your old PS/2 keyboard and mouse, and buy new expensive Keyboard and Mouse.Just use this adapter to convert your old PS/2 keyboard and mouse into USB devices to use them on any computer. | ✪ SIMPLE AND EASY.No software or special drivers are required.Plug and Play. A pretty handy device.For traveling it's perfect.