For over a year this unit is in use and we do not want to miss. Ok that's humming some getting used to but as time goes, too. In particular, the mobile application is an advantage for this device. Who wants to like to take a vacuum cleaner with traveling. And of course you have with the nozzle in the nose so that it closes gently with the nose and so builds up a slight vacuum. If you would read the description properly or on the website of this publisher you know it. In addition, 3 different sizes of slip-on are. Until now, there has not added any consistency from the nose. We would buy it again.
