Advantages and disadvantages of metal phone cases and metal phone shell frame.
Advantage: look very cool, have simple sense, have weight, to male machine oil is very attractive.
Weakness: the price is too expensive, winter cold hands, call ears uncomfortable, make the body wider thicker airframe, some reflect the impact on the signal slightly, metallic collocation is bad, it's easy to become very fake and very cheap.For example, metallic green, orange, rose red, gold some bright color, collocation is not good, on the contrary, the sense is all not, reduce mobile phone class.
Therefore, the commonly used phone cases material is: PC , PC+ABS, TPU+PC, TPU and so on.
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