1.Airbag outside, metal design.
2.It can be freely disassembled and is safe and practical.
3.A fully-sealed design can be dust.
4.Do not affect most of the functions of the use of mobile phones.
5.Can be isolated dirt, dust, sand dust storms, but also can resist the dirt impurities and construction dust.
6.Reserved for the camera viewfinder, adapt to a variety of shooting environments.