As one of its daily deals, Amazon offers the Logitech MX Master Wireless Large Mouse in Navy, model no. 910-004955, or Stone, model no. 910-004956, for $59.99 with free shipping. That's the lowest total price we could find by $40, although we saw it for a buck less three weeks ago. It features a thumb wheel, connections for multiple computers, and up to 40 days of power on a single charge. Deal ends today.