Product Description: This mini humidifier has two modes. When you press the button first time, it will continuously spray for 6 hours. When you press again and it will intermittently spray (stop 2 seconds) for 12 hours. 500ml large capacity produces longer mist. - 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. - The USB humidifier is very easy to operate. One button control for all functions, you simply need to press one button to set the mist. Make your life easier. - Silence operation below 30d - B allows you to sleep easily in a comfortable and quiet environment. There are two modes of night light function, constant light mode & breathing light mode, you can adjust according to your favorite. - Do not use essential oils, perfume, distilled water, which will cause the cotton swab to clog and the Humidifier to be unusable. Please make sure the cotton core has soaked a few minutes before you turning it on. Product Specification:Color: White, Grey, Blue, Pink - Weight: 370g - Capacity: 500ml - Voltage: DC 5VMist Output: 30-50ml/h - Material: ABS + PP + Silicon - Size: 95 × 95 × 129 mm - Power Supply: USB Plugged-in - Working Time: 6-12hours - Function: Cool Mist Humidifier - Package Inclusion:1 x Humidifier1 x USB Charging Cable 1 x Manual