Staples offers the Logitech M560 Wireless Mouse in Silver, model no. 910-003910, for $14.99. Plus, Staples Rewards members receive free shipping. (Not a member? It's free to sign up.) That's tied with our September mention as the lowest total price we've seen. (It's also a current low by $9.) This wireless mouse features a USB nano-receiver, Windows 8 edge menu button, and ambidextrous design. One AA battery is required (included). Deal ends December 20.