antonline via eBay has Microsoft All-In-One Media Keyboard w/ Built-In Touchpad (N9Z-00001) on sale for $18.99. Shipping is free.

Note, product will be sold/shipped by antonline

About the Product

• USB/Wireless Interface
• 30' Cable
• 2.4GHz Wireless Operating Frequency
• Customizable Media Hotkeys
• Spill Resistant
• Up to 9 Months Battery Run Time

Warranty

• Includes 3-year manufacturer limited warranty w/ purchase