Here you have one of the most expensive keyboards you could buy. This is a PREMIUM Cherry Brand POS Keyboard in very good condition. These units came from a Local Cellular Dealership and function exactly as they should. Units are quite clean with minor dust between the keys. They look good and you must examine closely to see the dust. To be honest no one will know its there. Some wear on backside of the keyboards but no one will see that. Is very common for heavy keyboards like this. Please make sure you do your research on these before buying. Software support is available at . Sorry we not accept returns. Thanks for viewing my listing!