As one of its daily deals, Best Buy offers the Logitech M187 Wireless Optical Mini Mouse in Black, model no. 910-002720, for $9.99 with free shipping. That's the lowest total price we could find by $7 and among the best prices we've seen for any Logitech wireless mouse. It features a nano-receiver, 2-button design, scroll wheel, and more. Deal ends today.