Lenovo offers its Lenovo N3901A Wireless Mouse in Black, model no. 57Y6573, for $29.99. Coupon code "USP1A56573" drops it to $11.99. With free shipping, that's $3 under our mention from two weeks ago and the lowest total price we could find by $12. Sales tax is added where applicable. This mouse features a 1,000 dpi resolution, 2.4GHz wireless technology, and more.