Quiet Humidifier: Quiet operation below 30dB keeps you in a quiet and comfortable environment that won’t disturb you whether you’re sleeping or working. 2 Modes & Breathing Light: Press the button once for continuous mist, a second time for intermittent mist, and a third time to turn off the mist. Press and hold for 3 seconds to turn on the breathing light, and press and hold the switch again to fix the light color. Soft lighting with seven color variations lets you relax. Portable Humidifier: The humidifier is small and portable and powered via USB. It is very convenient to carry and use. Long-lasting effect: this air humidifier has a capacity of 220 ml. After adding water, the humidifier can continue to work for up to 5 hours (continuous mist); 10 hours (intermittent mist), creating a comfortable environment for you. CUTE HUMIDIFIER: Small and portable, the bedroom air humidifier is also the perfect gift and a stylish decoration, perfect for a bedroom use. Product size 110*110*113.6mm