The cutting height is extremely well and strong, compatibility is assured with dock and protection pretty well assured, but the absence of a magnetic closure is unfortunate The installation of this accessory is made in seconds and the display will adjust to it, but it is unfortunately not configurable, so if you do not use Sony applications for messaging, for example ... I did not notice any increase in autonomy, which therefore makes more accessory Stylish Protection and adapted perfectly to his phone, expensive mas ...