| 摘要 |
The present invention discloses a protective device for a mobile device, comprising: a frame comprising a first sidewall, a second sidewall opposite to the first sidewall, a third sidewall and a fourth sidewall opposite to the third sidewall, the sidewalls being terminated with each other and thereby enclosing and defining a space for accommodating the mobile device, each of the first sidewall and the second sidewall being provided with a first engaging feature; and a backboard provided with a second engaging feature corresponding to the first engaging feature; wherein the backboard is formed separately from the frame and is assembled with the frame through the engagement of the first engaging feature and the second engaging feature of the frame. With the present invention, the style of the protective device enclosing the mobile device can be altered by merely replacing its backboard with a new one.
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