[10/08/2017] Ecovacs DEEBOT M81Pro Smart系列全自動吸地機，Ecovacs DEEBOT M81Pro Smart Robotic Vacuum Cleaner with Strong Suction for Pet Hair, Bare Floors and Low-Pile Carpet, Wifi Connected, Works with Alexa，支援Alexa語音助理，目前特價只要$199.99 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買: amazon。