Feature:1. You can use a standard individual water bottle to produce all night humidification for your bedroom.2. This humidifier is super quiet, which is perfect for your work space during the day or bedside at night.3. For your safety and to prevent damage to the humidifier, this humidifier will automatically shuts off the power when the water bottle is empty.4. The compact size makes it is easy for you to put it in your bag and use it anywhere.5. Can be taken on the plane so that you can enjoy the humidifier when you are on a business trip or traveling.Specification:Item Type: Portable HumidifierPower Supply: USB plugUse: Moisturizing and hydrating Package List:1 x Humidifier1 x USB Cable