You can get this retro keyboard and mouse set on sale for $49.99 right now (reg. $139.99). Both the mouse and keyboard connect via a 2.4G wireless connection and have a range of up to 33 feet. The keyboard has rounded keys and a 104-key design with a Num pad, and it has built-in noise reduction for quiet typing. Both devices only need one AA battery (not included), and both devices have an automatic sleep function that activates after 8-10 minutes of inactivity. This set is compatible with Mac or Windows and comes with a manufacturer's 30-day warranty.
You can get this retro keyboard and mouse combo on sale for $49.99 right now (reg. $139.99), though prices can change at any time.