Inside the case there is a special cap that replaces the back cover of your phone. This design leaves free the function buttons and ports of the device, so you can handle it and connect the charger or your headphones without having to remove it. It has a slot for the camera on the back for you to take photos without having to remove the case.Thanks to the active window on the front side you can answer calls and see your updates without having to open the casing!Compatibility LG G3..