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Must See Before purchase: most electric water cups in the market are single circuits (most of them are mainly household power sources).
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This product is a dual circuit, which is two independent power-on circuits, namely: household power interface (220V) and USB interface (adapter above 5V3.5A).
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The LCD screen is the same as the household power supply. When using the household power supply, the LCD screen will display, which can select the function to set the constant temperature.
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The mechanical model cannot set the temperature function, and the water can boil to 100 degrees and boil. When using the USB interface, the bottom red light will be on, the LCD screen will not light up, temperature and function cannot be selected.
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Water cannot be boiled to 100 degrees, boiled to about 65 degrees. The USB interface screen will not light up, will not light up, will not light up, the water cannot be boiled on, cannot be burnt on, cannot be burnt on...
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Warning: when using household power supply 220V, the lid needs to be opened or the air hole on the top of the lid is opened. It is recommended not to cover the lid to boil water. If the air hole on the lid is not opened, the lid will burst or burn due to water vapor. When using USB heating, you can cover the lid, but the air hole needs to be opened.
