PERFORMANCE: The iRobot Roomba i3 plus (3550) Wi-Fi Connected Robot Vacuum pulls in stubborn dirt with a Premium 3-Stage Cleaning System and 10X the Power-Lifting Suction. Control how you clean with the iRobot Home app or your voice assistant AUTOMATIC DIRT DISPOSAL: Forget about vacuuming for months at a time with the Clean Base Automatic Dirt Disposal that allows the i3 plus to empty itself for up to 60 days. APP: The newly updated iRobot Home App allows you to upgrade your overall cleaning experience. Enjoy features that work around your life, including personalized scheduling suggestions and seasonal recommendations, all tailored to your unique needs VOICE ASSISTANCE: The Robot Vacuum learns your cleaning habits to offer up personalized schedules, while Google Assistant and Alexa allow you to start cleaning with just the sound of your voice. The i3 will even suggest an extra clean when your area’s pollen count is high or during pet shedding season TECHNOLOGY: Patented Dirt Detect Technology helps your robot find the dirtier areas in your home, like high-traffic spots, and cleans them more thoroughly