The Roomba 690 is a popular choice for those who want a reliable and affordable vacuum cleaner robot. It features a three-stage cleaning system that loosens, lifts, and suctions dirt, dust, and debris from your floors. The robot's dual multi-surface brushes are designed to effectively clean both carpets and hard floors. With its Dirt Detect sensors, it can detect areas with higher dirt concentration and provide extra cleaning in those spots. The Roomba 690 can be controlled through the iRobot HOME app or voice commands with Amazon Alexa or Google Assistant. It also has a long battery life and can automatically recharge when needed.