[02/22/2016] eBay Daily Deals 有一件不錯的促銷產品。Logitech – M557 系列藍芽無線滑鼠，Logitech – M557 Bluetooth Mouse – Dark Gray Buy Direct from Best Buy，全新，目前特價$21.99 USD。境內免運費。哪裡買：Best Buy via eBay。更多促銷產品，請看:eBay Daily Deals。

amazon評價很好。