Features: Our bedroom air humidifier is small but powerful, the gentle mist makes you feel more comfortable. The portable humidifier can work quietly and add cool humidity to air. Made of environmental ABS plastic, polypropylene and silicone resin, the materials are safe and firm and can be used for a long time. Quiet operation of less than 30 dB, this does not won't affect your sleep. USB powered, convenient to carry. Offers a gentle 7-color nightlight for maximum relaxation. Adjustable mist control. desktop humidifier and the perfect baby air humidifier. Description of mist mode: 1. First button press - continuous spray mode 2. Press again - intermittent spray mode 3. Press a third time to turn off the spray 4. Long press three seconds - sleep mode 5. Long press the switch again - The fixed light color (Notes: When you use it for the first time, please fully soak the cotton swab for a few minutes) Specification: Capacity of water tank: 220 ml Noise: less than 30 dB Power supply