The full title for this conversion kit is the Keyboard Buddy iPhone 4 Case. Put simply it looks like a protective case for your iPhone.

However, it also includes an integrated slide out Bluetooth QWERTY keyboard. Boxwave who make the device say it transforms your iPhone with a touch screen into one which also has a QWERTY keyboard.

The integrated slide-out Bluetooth keyboard allows you to switch from the touch screen to a physical keyboard as desired

The keyboard can be slid out and turned on or off via Bluetooth, The keyboard needs separate charging itself but should last around 45 days before recharging is needed.

The new Keyboard Buddy iPhone 4 Case with keyboard is available on the 14th Deember for around £50 with UK shipping. You can see the pre-order page here.