Dell offers the Logitech MK520 Wireless Desktop Keyboard & Mouse with Unifying receiver (920-002553) for $45.99 plus free shipping. Expires soon.

Why this deal is hot:
Logitech MK520 Wireless Desktop Keyboard & Mouse is $14.00 off the retail price. This is the best deal found.

What this does and why you need it:
This Logitech MK520 Wireless Desktop Keyboard & Mouse features sleek full-size wireless keyboard, contoured laser mouse with rubber grips, 2.4GHz wireless operation and tiny Unifying receiver.