As one of its daily deals, Best Buy offers the HP x3000 Wireless Optical Mouse in Black, model no. H2C22AA#ABL, for $7.99 with free shipping. That's tied with last month's mention as the lowest total price we've seen. (It's also a current low by $5.) This 3-button mouse features an ambidextrous design and wireless USB nano receiver. It requires one AA battery (included). Deal ends today.