Monoprice Super Slim Optical USB Mouse with DPI Adjustment - Black (108495) Its Compact Design Easily Fits Into Laptop Bags Or A Specialized Mouse Pocket It Is Switchable Between 800 And 1600 Dpi Resolution With The Push Of A Button The Top Uses A Smooth-Touch Surface, Which Provides A Velvet Smooth Feel For Long-Term Comfort The Mouse Uses An Industry Standard USB Interface, Which Works With All Versions Of Windows, Mac OSX, And Linux It will work out of the box without need for special drivers It is symmetrical and therefore ideal for left- or right-handed users