USB socket is the combination of USB interface and socket. It is a weak current electronic product with an output voltage of about 5v. The USB socket is characterized by creative combination, high panel toughness, impact, simplicity and fashion, high conductivity, and can open the USB protection door.
At present, there are three common types
1. Straight through USB socket, no button, no indicator light or USB socket with indicator light, low cost.
2. The USB socket with button has its own button with or without indicator light, and its safety performance is high. The USB socket with external button can only be powered on when the button is pressed, so that the USB does not have to keep in contact with the home voltage, and the potential safety hazard is greatly reduced.
3. Automatic on-off usb socket, with or without indicator light, built-in switch, that is, open the switch when plugged in, and close the switch when pulled out.
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