Mini Portable Small Yellow Duck Air Humidifier with USB Cable for Office Home Baby Gift Health and Beauty, Yellow Color This Small Yellow Duck humidifier is a small,portable version of a standard humidifier. Moisturize the air in a building or room by dispersing a water mist Remove the dust in the air molecules Easy to operate with the USB cable Reduce radiation by placing it beside the computerPackaged with Beauty World logo special shopping bag, which is practical and environment-friendly