USB socket is characterized by creative combination, high panel toughness, impact, simplicity and fashion, high conductivity, and can open USB protection door. At present, there are three common types.
1. Pass-through USB socket
Features: no button, no indicator light or usb socket with indicator light, low cost. Because the usb socket market is still in its infancy, and there is no perfect safety index for the usb socket standard, many low-cost usb sockets in the market are mostly direct-through usb sockets. The usb in this kind of socket directly keeps in contact with the family voltage and keeps running. It is similar to the standby TV, which greatly reduces the life span and has great security risks.
2. USB socket with button
Features: USB socket with button, with or without indicator light, high safety performance. The USB socket with a button is integrated into a button. When the button is pressed, the usb will be powered on, so that the usb does not have to keep contact with the home voltage all the time, and the potential safety hazard is greatly reduced.
3. Automatic turn-on and turn-off of USB socket
Features: with or without indicator light, built-in switch, that is, insert to open the switch, pull out to close the switch. An intelligent socket, which can automatically turn on the power when it is plugged in and off when it is not in use. The price of this socket is relatively high, and it is common in some coffee shops and leisure halls.
