It also sports superior 3- stage cleaning system. Delivers up to 40x the suction for our deepest clean yet. Automatically increases suction to clean deep into carpets. this means that it is not going to leave any dirt or dust behind. Especially on carpet. Which is actually a really big deal. There’s also PerfectEdge Technology and a specially designed Corner Brush optimizes cleaning deep into corners and along edges. Enhanced sensors constantly scan ahead at a rate of 25 times per second to detect obstacles in the cleaning path. Imprint Smart Mapping enables the robot to learn, map and adapt to your home. If crumbs spill on the floor as you’re racing to eat breakfast, you can simply tell the Roomba s9+ robot to immediately clean the dining room either using Alexa or Google Voice Assistant. Which makes this one of the smartest and best robot vacuums on the market right now. Sure the iRobot Roomba s9+ is not cheap, but it is well worth the money you’re paying here.