As one of its daily deals, Best Buy via eBay offers the HP x3000 Wireless Optical Mouse in Black, model no. H2C22AA#ABL, for $7.99 with free shipping. That's tied with our November mention as the lowest price we've seen. (It's also a current low by $4.) This 3-button mouse features an ambidextrous design and includes a wireless USB nano receiver. It requires one AA battery (included). Deal ends today.

A close price: Amazon has it for $8.45 with free shipping via Prime.