It is very simple to use: To read the barcode´s item you can use either an external bluetooth scanner or the smartphone´s cam.Then you can start to use the App.Firstly import your items to the App, from an xls or a csv file format. Finally, when you finish the reading process, the App will export your inventory in an xls or csv file format.All what you need now is to process this xls or csv file from your E.R.P. software and then you´ll get your inventory updated.