... Win 98/2000/NT/ME/XP *support both USB and PS/2 port *CE,FCC,ROHS *OEM ... logo print Kinds mini ball shape usb mouse Descriptions:*Ergonomic design, grip comfort, flexible operation, ... *A variety of colors to choose*PS/2,USB,U+P interface*Compatible with WINDOWS 98/2000/ ... : 40 feet/second (depending on surface)*USB data format: 12 bits/axis*USB report rate: 125 reports per second*Sleep ...