2. Sweep, and drag , solve a variety of trash, dust, hair, paper scraps and stains found on daily basis 1. One-key intelligent start, intelligent technology, no need for tedious operations, one-key machine, so that the clean return is 3. Easily control different ground materials 4. 1800PA Strong Suction, Multi Filtration, Deep Cleaning, More Powerful, Dust, Hair, Soy, Melon Seed, Cookie Crumbs 5. Bass noise reduction, clean and quiet home life at low volume