[11/12/2018] iRobot Roomba 671 全自動吸地機，支援Alexa語音助理，iRobot Roomba 671 Robot Vacuum with Wi-Fi Connectivity, Works with Alexa, Good for Pet Hair, Carpets, and Hard Floors，現在超低特價$244 USD。Prime 免境內運費。哪裡買？amazon。