This is the laser mouse that's on the move. Pack it up and hit the road. Now there's a precision laser mouse that travels well and is ready when you are. With a nano receiver that doesn't need to be unplugged from your notebook and a comfortable thin design, the Kensington SlimBlade(TM) Mouse with Nano Receiver is always ready to work. Lasor sensor gives you precise control over more surfaces and extends battery life. PC and Mac compatible. Up to 6 months of battery life.