NoPC Mouse pad required if you use this new style of Computere Mouse, soft comfortable left and right keypads. Faster Computer Mouse wheel scrolling for left and right hand. Also can be used as Laptop Mouse with usb cable. Hot play and plug of this PC Mouse, USB interface for easy connection Scroll Optical Mouse wheel and decorative mini design Smooth, precise, easy to use Optical USB Mouse wheel for scrolling Faster Computer Mouse wheel scrolling for left and right hand Superior optical Mouse technology - no USB Mouse ball Superior optical sensor - no precision optical alignment High resolution of the Optical Mouse to 800DPI No PC Mouse pad required, soft comfortable left and right keypads The innovative Laptop Mouse was designed for left and right handed users Compatible with: Windows XP/2000/NT/2003/ME/9X Hot play & plug, USB interface for easy connection Cable length: 140cm approx Weight: 128g