As one of its daily deals, Best Buy offers the Logitech Couch M515 Cordless Mouse, model no. 910-001840, for $12 with free shipping. That's the lowest total price we could find for any color by $8, although we saw it for a buck less in May. Sales tax is added where applicable. This 2.4GHz wireless mouse is designed for use on couches, carpet, blankets, desks, and more. Deal ends today.