| 摘要 |
<p>The present invention relates to a USB connection device which can be used by being connected to a micro USB female connector that is most widely used for charging a smartphone and for performing data communication and which can perform an on-the-go (OTG) function capable of recognizing a USB storage device for computer, and a USB mouse in a smartphone. The present invention includes a micro USB female connector, two micro USB male connectors and a USB-type A female connector. Each connector is configured to be connected by a connection line, to charge a smartphone and smartphone-relevant devices at the same time and to transmit data. A connector and a connector to be plugged into a USB storage device for computer are arranged in the left and right sides. Accordingly, the present invention can be manufactured in a compact size and a space can be minimized when in use.</p> |
