This USB humidifier diffuser features innovative design that perfectly combines practical functionality with aesthetic appealLarge capacity water tank allows for hours of continuous operation without frequent refilling Smart timer function enables customized running time settings for energy efficiency Automatic safety shut-off protection stops operation when water level is low for peace of mind Fine mist combined with essential oil diffusion effectively improves air quality and relieves stress fatigue 7-color LED lighting can be used independently as mood lighting to create comfortable, relaxing atmosphere Compact and portable design saves space, suitable for various placement scenarios like desks and nightstands Made from premium materials for durability and easy cleaning with simple maintenance Ideal for homes, offices, hotel rooms and other indoor spaces Perfect choice for enhancing indoor environment and improving quality of life