This is an excellent-quality replacement part of Glass lens， which is compatible with iPhone 3G. With this glass lens， what you get is not only to liberate you from a cracked and marked glass lens， but also a protective screen to prevent LCD screen from malfunction. So it is a perfect replacement and keeps the phone body in good condition like a new one.                                    Features            New switch button (on / off button) for cell phone<br>Made with same material as the genuine one<br>Replacement is not difficult<br>Guaranteed in excellent working condition<br>                                                                                                Package Includes            1 x Silent Mute Switch Button for iPhone 3G Black<br>                                                            Extra Info            Compatibility: iPhone 3G<br>