| 摘要 |
A transmission device of a handheld electronic device including a housing having an inlet and an outlet, a fan installed within the housing for generating airflow from the inlet to the outlet and a guide tube installed on the housing having a first opening and a second opening, the first opening is located at the outlet side, the second opening is coupled to an opening of the handheld electronic device in a detachable manner to allow airflow generated by the fan into the handheld electronic device, the guide tube can improve cooling effect of the transmission device and the transmission device is capable of cooling the handheld electronic device to solve the heating problem while the handheld electronic device is being utilized.
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