The Power A Universal Remote Case for the iPhone 3G and iPhone 3GS works with the company’s free Power A Universal Remote app. The Universal Remote Case allows your iPhone 3G or 3GS nearly full control of any infrared-controlled device. So you can have one remote to rule all of your IR toys.
It consists of a two-piece hard case that allows access to all of the buttons. At the bottom, it connects to the iPhone through the dock connector. The Power A Universal Remote Case for the iPhone 3G and iPhone 3GS will cost you $60.