| 摘要 |
The present invention provides a Bluetooth earphone including: a main body which includes a Bluetooth module and a battery and has an input terminal which receives power from the outside and an output terminal which outputs power inputted to the input terminal to the outside and is connected to a connection terminal of a portable terminal; an earphone which is attached and detached to the main body by being connected to the Bluetooth module and being connected to an earphone wire which is wound in the main body; a battery charging circuit which charges the battery with power which is inputted to the input terminal; a portable terminal battery charging circuit which outputs the power which is inputted to the input terminal to the output terminal in order to charge a portable terminal battery; a button part which is installed in the front side of the main body and receives an input of a charging mode in order to simultaneously charge the Bluetooth earphone and the portable terminal or selectively charge the Bluetooth earphone and the portable terminal; and a control unit which controls the battery charging circuit and the portable terminal battery charging circuit in order to simultaneously charge the battery of the Bluetooth earphone and the battery of the portable terminal with power or selectively charge the battery of the Bluetooth earphone and the battery of the portable terminal depending on the selection of the button part. According to the present invention, the Bluetooth earphone is easy to be carried and stored and battery charging efficiency and user convenience are improved. |
