The Keyboard Buddy Case is a protective backing for iPhone 4 with cutouts for the camera, volume rocker, and everything else. The case includes an integrated slide-out Bluetooth keyboard. The low-profile keyboard slides out smoothly, allowing you to easily transition between the Apple iPhone 4's touch screen and a physical keyboard.
The case includes a USB cable for charging and turns on an off to conserve battery and switch between Apple's touch keyboard the case's physical one.
More Info: BoxWave