Cool Mist Humidifier & Large Capacity - Tired of refilling water every few hours? This diffuser is able to solve your dilemmas and with a capacity of 500 ml it will work for you all night. Besides, the large amount of spray can moisturize your skin in a short time. Cool Mist & QUIETER - This humidifier uses advanced ultrasonic technology and atomizes water into the air. It won't disturb your sleep and works with low power consumption, so you can sleep peacefully and comfortably. Battery operated & USB Powered - Do you want to have a humidifier that can be used wirelessly, this upgraded humidifier is able to meet your needs. Built-in rechargeable 2000mAh, it can be used without USB cable for about 3 hours after fully charged. In addition, this travel humidifier can also work for a long time when powered by USB cable. Perfect for bedrooms, offices, offices, cars, baby rooms... The fog button is the same as the power button. The first press is continuous spray mode, which can be used for 8 hours, and the second press is intermittent spray mode, which can be used for 16 hours. When water leaks, this humidifier will turn off automatically to ensure your safety. Attractive Design - With the compact, portable design and beautiful shape, bring a fascinating unique look to your family or friends as a Gift . In addition, the water tank is made of PP+ABS, a user-friendly material, so you can use it with peace of mind.