DreamHank iPhone 6 Smart Tempered Glass Screen Protector HD tempered glass film Protective Screen Cover with a Invisible Back/Confirm Button for Apple iPhone 6 4.7" (One Pack) Build-in a special circuit, this tempered glass screen protector is with invisble return and confirm button for iphone 6, Apparently it looks the same with normal tempered glass film,ultimately solve the problem of single hand operation of your iPhone and greatly reduce the chance of dropping and cracking the screen No need to install software, a dedicated physical [Return Key] is designed to be the simplest and most straightforward way of going back to the previous screen; and a [Confirm Key] is desgined to use the function on the top right corner in most APPs Delicate Touch: The protector is coated on the back with a strong silicon adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen's sensitivity,Anti-Shatter Film: If broken, the protector breaks into small pieces that are not sharp, making it safer than other glass products The protector is 0.2mm thick (the thinnest)and made with chemically treated, transparent tempered glass. The surface of this screen protector has a hardness of 9H, three times stronger than regular PET film. Even shard objects such as knives and keys will not scratch the protector. The protector has an oleophobic coating that prevents fingerprints and other contaminants and makes the film easy to clean ATTENTION: The smart Back and Menu button are only functional when iPhone is held in hand. The edge of the iPhone 6 is curved.Since the tempered glass is flat, there is a slight frame around the glass which will NOT cover the phone screen.This is due to the nature of the phone