... with double head patent technology, triangle side brush design, easily clean the room, including corner, table leg, chair leg, sofa and other ... easily climb up the carpets, floor of 2cm high to clean;13. Powerful Cleaning Ability: Hair, melon seeds, walnut shell ... HEPA fliter, prevent secondary pollution, make your house healthy and clean;18. Humanized design: exquisitely made, durable, panel can be ...