Q 1: How to switch the light?
A 1: Press and hold the "Up Button" for 1.5 seconds, the flame light comes on -> Press and hold the "Up Button" again for 1.5 seconds, the light turns blue -> Press the button again briefly, the light goes out.
Q 2: Can I use the humidification function only without the light, or use the light only without the humidification function?
A 2: Yes. Short press the "Up Button" to start the humidifier and the light will turn on at the same time -> Long press the "Up Button" to turn off the light according to the "Q 1: How to switch the light?". In the off state, directly pressing the "Up Button" can turn on the light without activating the humidification function.
Q 3: Can it be recharged?
A 3: The humidifier does not have a power storage function, you need to use the USB connector to plug in the 5V DC power supply, such as the charger of your cell phone, power strip with USB and so on.