The Naztech Ultra-thin Bluetooth Slideout Keyboard for the iPhone 4 or 4S frees you from the pains of having to use an on-screen keyboard! It easily pairs over Bluetooth using wireless connectivity and features a slide-out QWERTY keyboard that includes convenient Search and Home buttons. It’s powered by a lithium rechargeable battery and is charged via USB port. Not to mention, the on/off switch lets you conserve its battery life too! Simply snap-in your iPhone 4 or 4s, pair your device and you've got a fully functional QWERTY keyboard ready to slide out whenever you need it.