Office Depot offers the Logitech M310 Cordless Optical Mouse in Peacock Blue, model no. 910-001917, for $9.99 with free shipping. That's $2 under our August mention and the lowest total price we've ever seen for this mouse without rebate hassles. (It's a current low by $6.) Sales tax is added where applicable. This 2.4GHz wireless mouse features a nano receiver, 12-month battery life, and more.