A humidifier is needed in a dry environment:Please use clean tap water and do not add powdery oily debris that can clog the filter into the bottle. In a dry environment, you will feel dry and peeling skin, dry and tired glasses, dry nose easily, and poor sleep quality.This is a cold mist aroma diffuser that can add essential oils, at home or in the car, you should be equipped with a cheap and reliable humidifier to keep you away from dryness.USB Power: Please buy a power adapter on Amazon, it needs to be plugged into the power supply with the cable to supply power, and the power supply voltage can be 110V.Through the connection of the USB power cord, you can use the power port of the computer or mobile phone, or plug it into the USB port of the car to humidify the air inside the car and prevent the nose and throat from drying out.Low noise design:If the goods have any quality problems, please write buyer information to me, give me address, name, phone number. I use self-delivery to
