Lenovo offers its Lenovo N50 Wireless Mouse in Black, model no. 0C41072, for $29.99. Coupon code "USP1JN451072" cuts it to $9.99. With free shipping, that's $5 below our mention from two weeks ago and the lowest total price we could find by $12. It features an optical resolution of 1,000dpi. Deal ends February 5.