Time to market : 2017 Humidifying Capacity : ≤380ml/h Model Number : Portable Mini Humidifier Shape : Classic Columnar Operation Method : Keyboard Type Application : <10㎡ Power Type : Battery Humidity Control : Humidistat Mist Output (gallon / day) : 30-50 ml / hour Use : USB Function : Pureness Type Mist Outlet Quantity : One/a Classification : Humidification Timing Function : Yes Water-shortage Power-off Protection : Yes Installation : USB Certification : ROHS,CE Type : Cool-Mist Impeller Humidifier Noise : <36db Humidification Method : Mist Discharge Capacity : <1L Voltage (V) : 5V Power (W) : 2W Origin : Mainland China 【2000mAh Battery】Battery life: 5-7 hours. It can be recharged repeatedly or connected to the power supply for use. 【PORTABLE MINI HUMIDIFIER】Portable and small design is very easy take with you anywhere and super perfect for travel,bedroom,office, which is effectively moisturize dry skin and help you reduce skin peeling. 【TWO MIST MODES】This mini humidifier has two modes. When you press the button first time, it will continuously spray for 12 hours. When you press again and it will intermittently spray (stop 2 seconds) for 18 hours. 500ml large capacity produces longer mist. 【SAFE & AUTO SHUT-OFF】There is built-in water level sensor inside that will automatically turn off the power when the water is lower than the safe water level. And the seal is strong,no longer afraid of pouring liquid to leak in accidence. 【ONE BUTTON CONTROL】The portable usb humidifier is very easy to operate. One button controls for all functions, you simply need to press one button to set the mist. Make your life easier! 【KIND REMINDER】①Do not use essential oils,perfume, distilled water, which will cause the cotton swab to clog and the Humidifier to be unusable. ②Please make sure the cotton core has soaked a few minutes before you turning it on. ③Any quality problem, please do feel free to email us. Feature: 1. Defogging humidifier with continuous and intermittent free mode exchange 2. large capacity 450ML last working 12 hours 3. high quality artificial and beautiful appearance 4. heavy fog super design Specification: -Material: ABS + silicone + PC + metal + electrical components -Water tank: 500 ml -Size: 95 * 95 * 129mm *Color: white / pink / gray / blue -Power: 1.5-2 watts -Voltage: DC5V -Amount of fog: 30-50 ml / hour -Working time: 12-18 hours Guarantee: Any quality problem, please do not hesitate to contact us by email. We take responsibility and are willing to solve any issue you met! Package Includes: 1 X portable humidifier 1 X USB cable Rotate counterclockwise to unscrew the upper cover Add water into the tank Access to USB power supply Single-click switch to turn on spray mode