As one of its daily deals, Amazon offers Prime members the Microsoft Wireless Desktop 800 Keyboard and Mouse Combo, model no. 2LF-00001, for $18.39 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $9.26.) That's the lowest total price we could find by $9, although we saw it for $3 less in October. This set features a wireless range of up to 30 feet. The keyboard includes hot keys, and the mouse has 1,000 dpi. Deal ends today.