Lenovo offers its Lenovo N70A Wireless Laser Mouse in Dark Gray, model no. 0B44660, for $39.99. Coupon code “USP1MA424660” cuts it to $13.99. With free shipping, that’s tied with our mention from two weeks ago and the lowest total price we could find now by $10. Sales tax is added where applicable. It features a rotating design, 1,200dpi resolution, nano USB dongle, up to six months of battery life, and more.