Midas-Link 2.4Ghz Wireless Optical Mouse USB Adjustable 1200DPI Nano Receiver Mice For PC Notebook Desktop Laptop(Gray) Plug-and play,intelligent connectivity, no need to code,with On/Off power switch. 2.4GHz wireless transmission up to 10 meters operating distance Auto-sleep function, more power-saving. 800/1600dpi, cursor speed adjustable Ergonomically designed, comfort grip;Decent and modern design Ideal laptop companion for home and office use.