Lithium battery: The lithium technology ensures sustained performance until the last minute without loss of power. Dirt container: Easily removable at the push of a button and dishwasher safe. The wide suction nozzle effortlessly picks up coarser dirt such as pet food or muesli. Semi-transparent, large dirt container. Easily detachable dirt container - filter and dirt container can be cleaned simply and hygienically. Filter: Hygienic filter technology with replaceable and washable filter. Ergonomics: Ergonomic design for comfortable use.