A: usb on the sofa indicates that there is a plug on the side or back of the sofa, and the plug can be plugged in.
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Functional sofa refers to multi-functional sofa. The most common is the functional sofa: divided into two kinds, one is: manual function extension, manual can also be matched with shaking and rotating functional sofa, there is another: electric function extension, electric can also be with shaking and rotating these two functions, the use of built-in lithium power supply can solve the problem of alloy frame in shaking or rotating when pulled to the power cord. Therefore, when you want to buy this kind of sofa with shaking and rotating function, pay attention to ask customer service. Understand the applicable precautions. One is the sofa bed: this kind of sofa can be used as a bed or a sofa, when the general sofa is not stretched out, it can be used as a bed when it is opened, which is very convenient and saves place, and is very suitable for small household.
To charge the USB port on the sofa, first make sure the USB port on the sofa is available. Then, plug one end of the charging cable into the USB port on the sofa and the other end into the device that needs to be charged, such as a phone or tablet.
Make sure the charging cable is securely connected, then turn on the charging function of the device. Wait a while and the device will start charging. Please note that the USB port on the sofa may provide lower current and may charge slower. If a faster charging speed is required, it is recommended to use an original charger or other high-power charging device.
usb charging method on sofa. The USB port on the sofa is a dedicated port. It must be plugged in to use, generally there is a plug at the back of the sofa, plug in 220 volts of electricity, it can be used.
The USB interface on the sofa, we directly use it to connect to the USB cable, there are charging devices outside can be directly charged, the general voltage is 4.5 volts to 5.2 volts can be charged between most small appliances
The usb on the sofa indicates that there is a plug on the side or back of the sofa, and the plug can be plugged in