Meritline offers the refurbished Logitech M185 Wireless Optical Mouse in Swift Gray, model no. 910-002225, for $11.99. Coupon code "MLCKW04FNL1" drops it to $7.99. With free shipping, that's the lowest total price we could find for a refurbished unit by a buck. (It's also $7 under the best price we could find for a new one.) This 2.4GHz portable mouse features a nano-receiver and requires a AA battery. Coupon expires after 100 uses.

No warranty information is provided.