Lenovo offers its Lenovo N3902A Wireless Mouse in Black, model no. 57Y6574, for $34.99. Coupon code "HDEAL6574" cuts it to $8.99. With free shipping, that's $2 under our September mention and tied as the lowest total price we've ever seen. (It's also a current price low by $5.) This mouse features 1,000 dpi and a nano USB dongle. It requires two AAA batteries (not included). Deal ends December 26.