| 摘要 |
A backpack is disclosed to include a backpack body having a small inside pocket, a cable received inside the small inside pocket and having one end connected to an electric plug inside the backpack body for the connection of a mobile electronic device carried inside the backpack body and the other end connected to an electric socket (for example, earphone jack) outside the backpack body for receiving an electric attachment (for example, earphone set) to electrically connect the electric attachment to the mobile electronic device being carried inside the backpack body so that the user can use the mobile electronic device without opening the backpack.
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