General description This 3L Ultra Quiet USB Air Humidifier is designed for home, yoga, and office use, featuring 7 color LED lights and two spray holes for enhanced functionality. It operates quietly, making it ideal for both work and sleep environments. Technical specifications Water tank capacity: 3L Noise level: below 35 dB Spray modes: continuous spray, alternating spray, intermittent spray Continuous spray duration: up to 12 hours Intermittent spray duration: up to 24 hours Usage Recommended to use clean tap water or mineral water Avoid using essential oils, perfume, or distilled water to prevent clogging Ensure the cotton core is soaked for a few minutes before turning it on Other information Portable and lightweight design for easy transport One-button control for all functions Automatically changes through 7 colors Made from BPA-free materials, ensuring safety for babies and children