[11/29/2020] iRobot Roomba i7+ (7550) 全自動吸地機，自動清潔，支援Alexa語音助理，iRobot Roomba i7+ (7550) Robot Vacuum with Automatic Dirt Disposal-Empties Itself, Wi-Fi Connected, Smart Mapping, Works with Alexa, Ideal for Pet Hair, Carpets, Hard Floors, Black，特價只要$599 USD。Prime境內免運費。哪裡買：amazon。