. Simple and stylish appearance of the border， high quality PC and TPU mold through fine. One piece， drop resistant， good toughness， avoid scratching the phone frame collision. Up front fuselage design， effectively reducing the screen and back shell friction， better screen care. 45-degree lead angle design， comfortable feel. Easy to install and easy to take， simple operation， high-precision mold process， holes accurate. Power and volume tailored pieces convex design， fit the keys to effectively protect， flexible and comfortable operation