Home humidifier: the USB humidifier is practical and portable, perfect companion for your house. Office humidifier: mute and humidify, give you a quiet and comfortable night. Water supply instrument: and it is easy to use, making your home more comfortable and pleasant. USB colorful light humidifier: atomizes the water and diffuses it all around, making the air no longer dry. Mini square humidifier: color light design makes it a great decoration in your home.