
The Chatpad features backlit buttons and is designed for thumb typing while holding the controller in the usual fashion. The keyboard uses a standard Qwerty layout with a few additional dedicated characters and shortcut buttons.
It comes as part of the Xbox 360 Messanger Kit which also includes a wired headset for voice communications. The Chatpad goes on sale in the US on 6 September for US$29.99, and on 7 September in the UK for £24.99.
Microsoft has also unveiled a range of new coloured controllers, including a limited edition Halo 3 version, due for release worldwide in October.