Fall resistant.
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The transparent shell of the mobile phone manufacturer comes with the factory. It is the simplest and most durable kind of mobile phone case. It can simply and effectively prevent the damage caused by the fall of the mobile phone. The cost is not high, the effect is not low. But the transparent shell will have a common problem, that is, it will become yellow and dark after a long time of use. Therefore, it is recommended to replace a new phone case with a new one about half a year.