a. The 6m-long cable is not detachable and interfere when depositing. Much more practical would be a connection with device connector!
b. There is absolutely no dirt bag, could refer to you and shake. One has to take the whole device incl. Cable out to the ash can. The device is then opened there a button, remove the filter holder and empty the absolutely tiny space in the device.
c. The nozzle with the brush is tiny! Good for 'ne dollhouse ....
d. However, it is then much too loud for a toy instrument. My cat turns every time in the panic mode if I want wicking the crumbs before the litter box.