As one of its daily deals, Amazon offers the Logitech Wireless Performance Mouse MX, model no. 910-001105, for $44.99 with free shipping. That's tied with our mention from two weeks ago and the lowest total price we could find now by $16. It features four thumb buttons, scroll wheel, and Logitech unifying receiver dongle that allows the addition of a compatible wireless keyboard without multiple USB receivers. Deal ends today.