Meritline offers the open-box Logitech LX6 Cordless Optical Mouse, model no. 910-000485, for $12.99. Coupon code "MLC9US13N" cuts it to $9.99. With free shipping, that's the lowest total price we could find by $5. This mouse includes two AA batteries, wireless receiver, 1,000 dpi tracking, and a USB to PS/2 adapter. Coupon expires after 100 uses.