Lenovo offers its Lenovo N3901A Wireless Mouse in Black, model no. 57Y6573, for $29.99. Coupon code "USP1JU446573" cuts it to $9.99. With free shipping, that's tied with our mention from last fall as the lowest total price we've ever seen for this mouse. (It's also a current price low by $9.) It features a 1,000 dpi resolution, 2.4GHz wireless technology, and more. Deal ends June 26.