GreeGear Full Qwerty Text Chat Messaging Pad Chatpad Keyboard for Xbox 360 Live Games Controller It is designed with number keys from 0-9 and 26 English letter keys and some assistant keys, total are 47 keys. With an audio interface , it can be used with any adopted standard 2.5 mm earphones , and also compatible with xbox360 original earphone. This product is compatible with both wired and wireless controllers. With Windows Live Messenger dedicated button, you can store and get the text message in the games and the instant message in the Windows live messenger. Made of high quality original plastic materials,it's truely a master product for gamers