iRobot Roomba 643 While there are some signs of use, it hasn't been used much, and there are no operational issues. - Model: Roomba 643 - Accessories: Charging dock, power adapter, instruction manual, replacement filter, Virtual Wall The Roomba 643 is an entry-level model known for its simple operation and reliable cleaning performance. Equipped with iRobot's unique 3-stage cleaning system, it uses a rotating brush and suction to thoroughly remove dirt, dust, and hair from floors. Although it doesn't support Wi-Fi, it's easy for anyone to use with just the push of a button, making it ideal for those using a robot vacuum cleaner for the first time or for elderly users. *This model is no longer sold.*