| 摘要 |
A vehicle-used blue-tooth hand free structure has a machine body. The machine body comprises an upper cover; a circuit board located blow the upper cover; and a lower cover below the circuit board. The circuit board is installed with a power seat, an earphone receptacle; a receiving and transmitting switch; a closing switch, a power switch, a light emitting diode unit, a volume control button and a blue tooth device. A lower cover is installed below the circuit board. A rear end of the lower cover is installed with a charging battery. A microphone is installed at a front end of the lower cover. The microphone is electrically connected to the circuit board. Thereby, the charging battery is electrically connected to the circuit board. When the power seat of the circuit board is connected to an external power source, the charging battery will charge an object.
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