Targus Bluetooth Laser Mouse AMB03US Works seamlessly up to 33-feet away with a Bluetooth enabled PC or Mac Provides up to 20x more tracking sensitivity than typical optical mice Can change from 800 dpi to 1,600 dpi on-the-fly for heightened sensitivity &#8211; excellent for gaming Includes a scroll wheel for easy navigation Batteries can recharge while mouse is in use, so no more dead batteries