|  | Numeric Keyboard October 21,2008 Madel:LK-686 1.interface :PS/2 USB ,U+P 2.compatiblity:IBM PC or notebook pc 3.operating voltage:5V¡À5% 4.operating current:less than 50mA 5.system requirement: IBM or MS DOS WINDOW98, WINDOWS ME, windows2000, windowsXP, compatible with windows an MAC... |