A drop design: 360 degrees following from 360 degrees above the screen corners and thicken hockey bag design, mobile landing ground distance effectively solve the tremendous impact of the mobile phone slipped by. Two, gasbag button meticulous protection: the volume button and switch button airbag design can effectively prevent dust from entering the button, button action barrier-free extend the service life of mobile phone. Three, the hole location accurate, accurate cutting process can match the original cable and headphones let you don't have to remove the following to charge or beam about listening to music.