Lenovo offers its Lenovo N3903A Wireless Mouse in Coffee, model no. 57Y6666, for $29.99. Coupon code "USP1JU546666" cuts it to $10.49. With free shipping, that's tied with our December mention and the lowest total price we could find by $6. This mouse features a 1,000 dpi resolution and USB transmitter and includes two AAA batteries. Coupon expires June 25.