| 摘要 |
An expansion device is disclosed which includes an input/output body, a connection part, a turning structure, and at least one slot. The input/output body at least includes a first and a second input/output module, where the first and the second input/output modules are respectively disposed on two opposite surfaces of the input/output body. The connection part is disposed on one side of the input/output body. The turning structure is disposed to connect the input/output body and the connection part, wherein the connection part and the input/output body are turnable on the turning structure. The at least one slot is disposed on the connection part and configured to hold at least one mobile device.
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