This deal has ended.
This Lenovo Wireless Mouse (model N3902A) drops from $29.99 to $11.99 with code USP1AG456673 at Lenovo. Plus, shipping is free. This is the lowest price we could find by $8. It includes a USB wireless receiver, and has a 3 month battery life. It is only available in red at this price. Sales tax is charged in most states.