Kensington SlimBlade Presenter Mouse, Wireless Mouse and Presenter in One (Deep Blue) K72285US Full- featured ultra-thin mouse allows you to navigate through your documents easily Presentation mode with backlight technology tells you when you are ready to start your presentation Super slim, sculpted design fits your hand 4-way tilt scroll lets you quickly maneuver through documents and graphics just by moving your fingertip Mouse goes into sleep mode when your notebook does to prevent power drain