[11/06/2018] 超低價! Logitech MX Master 2S 系列無線滑鼠，Logitech MX Master 2S Wireless Mouse with FLOW Cross-Computer Control and File Sharing for PC and Mac – 910-005131，定價$99.99，目前特價$55.99 USD。Prime境內免運費 (學生可以免費試用Prime)。哪裡買：amazon 。