http://www.logitech.com/index.cfm/products/details/US/EN,CRID=2158,CONTENTID=10777 http://www.logitech.com/index.cfm/products/details/US/EN,CRID=2162,CONTENTID=9575 一個是藍芽版一個是無線電板...........比較想要這兩組