A USB socket is a socket that integrates one or several USB female ports. With the popularization of small home appliances using USB power, it has been widely used in home decoration.
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The USB sockets currently on the market can be roughly divided into three types:
1. Straight-through type
Straight-through USB sockets can also be called direct-charge USB. You can plug the USB data cable into the socket for direct charging or powering on. There is no switch button on the panel of this type of socket, nor any indicator light. The plug of the power cord remains energized after being inserted into the socket, so the safety factor is lower and the price will be cheaper than other types of sockets.
2. Button type
The button-type USB socket has a button to control the switch, and the socket will be powered only after the button is pressed. After use, just turn off the button, no need to unplug the line. It is a safer socket.
3. Automatic on-off type
The automatic on-off socket is more user-friendly in design, it can automatically turn on the power when it is plugged in, and automatically cut off the power when not in use. The price of this kind of socket is relatively high, and it is more common in some coffee shops and leisure halls.
