Watch this short video to find out how to use Bluetooth function in the menu settings on the De’Longhi PrimaDonna Class ECAM 550.75.MS or ECAM 550.55.SB. Your De’Longhi PrimaDonna Class ECAM 550.75.MS or ECAM 550.55.SB bean-to-cup coffee machine should always deliver a perfect coffee. From long coffee to cappuccino, if you take good care of your coffee machine with regular cleaning and maintenance, you can enjoy delicious beverages for years to come. To help you get the most out of your coffee machine, we’ve created a series of How-To videos. Use the links listed below to jump to different sections. [More]