Cool Mist Humidifier & Large Capacity - Are you tired of refilling water every few hours? This diffuser is capable of dissolving your dilemmas, working for you all night long with a 500ml capacity. Besides, the large amount of spray can hydrate your skin in a short time. Cool Mist & QUIETER - This air humidifier using advanced ultrasonic technology, atomizing water into the air. It does not disturb your sleep and operates with low power consumption, giving you a quiet and comfortable night's sleep. Battery Powered & 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 2000mAh rechargeable, it can be used about 3 hours without USB cord after fully charged. Moreover, this travel humidifier can also work for a long time if powered by USB cable. Perfect for bedrooms, offices, offices, cars, baby rooms... The Mist button is the same as the power button. The first press is the continuous spray mode which can be used for 8 hours, and the second press is the intermittent spray mode which can be used for 16 hours. If water leaks out, this bedroom humidifier will automatically shut off to ensure your safety. Attractive Design - With the compact portable design and beautiful shape, bringing a fascinating unique appearance for your family or your friends as a gift. Moreover, the water tank is made of PP+ABS, a user-friendly material so that you can use it without any worry.